teas math

As the number of hours a student studies increases the student's test score increases. Which of the following describes the correlation between the number of hours studied and the test score? A. No correlation B. Positive correlation C. Negative correlation D. Positive and negative correlation

B

The sum of two unequal numbers is 20,560. The smaller number is 3,745. What is the larger number? A. 24，305 B. 16，815 C. 10，280 D. 7，490

B

There are 170 calories in a 12oz can of orange soft drink. Which of the following is the amount of calories in a 20oz bottle of the same soft drink? A. 142 calories B. 283 calories C. 102 calories D. 340 calories

B

There is an 8.75% sales tax on a shirt that costs $30 Which of the following is the correct estimate of the final sale price after taxis added? (Round to the nearest dollar.) A. $32 B. $33 C. $38 D. $39

B

Which of the following places the given values in order from least to greatest? 3/4，5/8，2/3，4/7，2/5 A. 2/3，2/5，3/4，4/7，5/8 B. 2/5，4/7，5/8，2/3，3/4 C. 2/3，3/4，2/5，4/7，5/8 D. 3/4，2/3，5/8，4/7，2/5

B

3x-{2x-[x-(5x+6)]}=X-2 Solve the equation above. What is the value of x? A. -1 B. 2 C. 1 D. -2

A

A picture framer wants to put decorative foil strips around the perimeters of two square frames. He has a 200 cm long foil strip. He will construct the frames so that the foil strip can be cut into two pieces that can each be used in its entirety to cover the perimeter of its frame. The length of aside of one square frame is to be 3 times the length of aside of the other square frame. How should he cut the foil strip? A. 50cm and 150cm pieces B. 25cm and 75cm pieces C. 200cm and 600cm pieces D. 100cm and 300cm pieces

A

A school bake sale sells 4% of its cookies to the first customer. There are 24 cookies left. How many cookies did the bake sale have to start? A. 25 B. 23.04 C. 0.96 D. 600

A

Sarah wants to put a 1.5-foot-wide painting in the middle of a 12-foot-wide wall. She wants the painting to be exactly horizontally centered on the wall. What should the distance be, in feet, from either side of the wall to the edge of the painting? A. 10.5feet B. 6.75feet C. 5.25feet D. 9feet

A (12-1.5)/2

Using the table to find the answer, what is the conversion of 16 fl oz to mL? A. 0.54mL B. 45.57mL C. 473.18mL D. 13.57mL

A 1 fl = 29.57353ml 16 fl = 473.12 ml

lf sound travels 6,160 feet in 5.5 seconds, how far does it travel in 16.5 seconds? A. 18,480ft B. 0.015ft C. 101,640ft D. 33,880ft

A 5.5/6,160=16.5/x; x=18.4

Jason scored 75， 99， 87， 89， and 91 on his class tests so far. What is the lowest score Jason needs to get on his next test to have an average test score of at least 90 in his class? A. 99 B. 100 C. 89 D. 16.5

A if achieve an average test score of at least 90, a total score needs 450, find the last scoreless: 450-(75+99+87+89+91)=9 90 + 9 = 99 need in next test

Which of the following is the product of multiplying twenty-seven and twenty-five hundredths by nine and twenty-seven hundredths? A. 252.6075 B. 23，425，290，000 C. 189.7845 D. 241.5075

A 27.25 x 9.27

The length of a bedroom is 12 feet and the length of the living room is 16 feet. A floorplan is drawn using a scale of 1inch = 2 feet. Which of the following is the difference between the lengths of the room son the floorplan? A. 1inch B. 2 inches C. 4 inches D. 8 inches

B If 2 feet = 1inch 4 feet = 2 inches

Two trees are in Abby's backyard. One tree is 20 feet tall and casts a shadow 8 feet long. If the second tree's shadow at the same time of day is 32 feet long, how tallis the second tree? A. 12.8ft B. 80ft C. 160ft D. 640ft

B 20/8=x/32; x=80

While watching a movie, the year the movie was made appears at the bottom of the screen: MCM LXVII. What year is this? A. 2067 B. 1967 C. 1957 D, 2167

B M=1000 CM= 900 ; MC=1100 LX=60 ; XL=40 ; L=50 VII=7

A company produces rectangular cookie boxes. Which of the following is the estimated volume of a box with a length of 8.8cm, a height of 10.1cm, and a width and 3.3cm, if each dimension is rounded to the nearest centimeter? A293cm3 B270cm3 C240cm3 D396cm3

B rounded to centimeter first 9 x 10 x 3 =270

What is the least common denominator of the following fractions? 2/9，1/2，2/3 A. 54 B. 9 C. 18 D. 27

C

A rancher increased her herd of cattle to 360 head from 288 head. What was the percent increase in cattle? A. 20% B. 80% C. 25% D. 125%

C (360-288)/288

$1US is equivalent to about 6.56 Chinese yuan. A two-bedroom Presidential suite on the top floor of a high-end hotel in Shanghai China was listed at 25,000 yuan per night. What is the cost of this suite per night in US dollars? A. $38.11 B. $1,640.00 C $3,810.98 D. $381.10

C 25000/6.56

Researchers treat 80 tomato plants with varying amounts of an experimental fertilizer. For each plant, the yield in pounds of tomatoes and the amount of fertilizer applied in ounces are recorded. Which of the following graph types is appropriate to examine the relationship between the amount of fertilizer and the yield in a single graph? A. Pie chart B. Box and whisker plot C. Line graph D. Stem and leaf plot

C Pie chart: is a circular statistical graphic, which is divided into slices to illustrate numerical proportion. Line graphs: can display the relationship between two variables; used to compare changes over the same period of time for more than one group. Pie charts, box and whisker plots, and stem and leaf plots are used to display data for a single variable.

Which of the following is the length of side c? A. 6 B. 13 C. 15 D. 21

C a²+b²=c² c=√a²+b²= 15

The perimeter of a soccer field is 328m. The length is 36m greater than the width. What are the length and width of the soccer field? A. length：64m； width：100m B. length：164m； width：128m C. length：100m； width：64m D. length：109m； width：73m

C width=x length=36+x perimeter=328= 2x + 2(36+x) width=x=64 length36+x=100

17-6x≥4x-10 Solve the inequality above. What is the value of x? A. x≥27/10 B. x≤-27/10 C. x≤-7/10 D. x≤27/10

D

A school had an enrollment of 12,301 students last year. The current year enrollment is 8,742 students. Which of the following is the decline in enrollment since last year? A. 4,659 B. 4,559 C. 3,659 D. 3,559

D

A student has 32 sheets of paper remaining in his 200 page notebook. What percentage of the paper has he used? A. 16% B. 68% C. 64% D. 84%

D

What is the conversion of 45.2°C to Fahrenheit? Use the formula °F=9/5(°C) +32. A. 77.2°F B. 139.0°F C. 49.4°F D. 113.4°F

D

Based on information from the table， which of the following is the number of students who wrote more than 3 thankyou notes? A. 44 B. 38 C. 32 D. 34

D >3 ; are 4 and 5; 20+14=34

This line graph shows ratings of a television show from January June 2008. What is the average rate of change in a number of viewers over time from January to June? A. 0.15 million viewers/month B. 3.4 million viewers / 5 months C. 3.4 million viewers/month D. 0.68 million viewers/month

D according to the graph, from January to June, there are 3.4 million viewers / 5 months, which is a total change. The average is: 3.5/5 = 0.68 million viewers/month

What is the median of the following series of numbers? 1，5，352，76，3，2 A. 73.17 B. 214 C. 1.33 D. 4

D first，order numbers less to greater 1, 2, 3 , 5, 76, 352 odd; the middle number even, sum up two middle numbers 3, 5, then divides by 2. 8/2=4