Math

If x to the 3rd =20 ( and x is a real number), then x lies between which two consecutive integers?

A

In a laboratory experiment, Amoeba A lives 5 hours longer than Amoeba B, and Amoeba B lives twice as long as Amoeba C. If n is the life span of Amoeba A, in terms of n?

A

Three Pieces of wire, each 2.8 meters long, are cut from the end of a wire 90 meters long. How many meters of wire are left

A

Midsegment

A line segment connecting the midpoint of two sides of a triangle

What is the slope of any line parallel to the line 3x+5y=8?

B

In the parallelogram below, what is the measure of angle DAC?

D

Which of the following is the simplified form of 3x-3y+2x?

E

In the standard (x,y) coordinate plane, 3 corners of a rectangle are (1,-1), (-4,-1), and (1,-4). Where is the rectangle's fourth corner?

(-4,4)

If 78-x= 234, then x= ?

-156

-| 10|-(10) = ?

0

If x= -3, then 12-2(x+1)= ?

C

If x>0, and 2x2-5x-12=0

C

Umberto's mother expects an increase of 5% in her current salary of 36,000. What would her new annual salary be?

C

If point C bisects line segment AB, then which of the following congruences must hold

E

Altitudes

The perpendicular distance from a vertex to a side

Triangular inequality

The sum of the measure of any two sides of a triangle must exceed the length of the third side

Orthocenter

Where the altitudes meet

Incenter

Where the angle bisectors meet

Centroid

Where the medians meet

Circumcenter

Where the perpendicular bisectors meet