Algebra: Variables and Expressions

49.96

As a member of a music club, you can order CDs for $14.99 each. The music club also charges $4.99 for each shipment. The expression 14.99n+4.99 represents the cost of n CDs. Find the total cost for ordering 3 CDs.

117

Colton earns $7 per hour plus $1.50 for each pizza delivery. The expression 7h+1.50d can be used to find the total earnings after h hours and d deliveries have been made. How much money will Colton earn after working 15 hours and making 8 deliveries?

9

Evaluate 10a+7 if a=1/5

41

Evaluate 16+b if b=25

19

Evaluate 5t+4 if t=3

3

Evaluate 6x if x=1/2

19

Evaluate each expression if d=12 and e=1/3: 2d-5

14

Evaluate each expression if d=12 and e=1/3: 50-3d

1

Evaluate each expression if d=12 and e=1/3: 9e²

15

Evaluate the expression 36y+9 if y=1/6

9

Evaluate the expression if a=1/2, b=15, and c=9: 2ac

180

Evaluate the expression if a=1/2, b=15, and c=9: b²-5c

81½

Evaluate the expression if a=1/2, b=15, and c=9: c²+a

14

Evaluate the expression if a=3 and b=4: 10+b

29

Evaluate the expression if a=3 and b=4: 15a-4b

88

Evaluate the expression if a=3 and b=4: 22b

14

Evaluate the expression if a=3 and b=4: 2a+8

3

Evaluate the expression if a=3 and b=4: 36÷(6a)

1

Evaluate the expression if a=3 and b=4: 4b-5a

756

Evaluate the expression if a=3 and b=4: 7a(9b)

85

Evaluate the expression if a=3 and b=4: 7a+8b*2

15

Evaluate the expression if a=3 and b=4: 8a-9

12

Evaluate the expression if a=3 and b=4: ab

89

Evaluate the expression if a=3 and b=4: ab+7(11)

4

Evaluate the expression if a=3 and b=4: ab÷3

144

Evaluate the expression if a=3 and b=4: a²(b²)

3

Evaluate the expression if a=6, b=4, and c=1/3: 9c

14

Evaluate the expression if a=6, b=4, and c=1/3: a+8

2

Evaluate the expression if a=6, b=4, and c=1/3: a-b

24

Evaluate the expression if a=6, b=4, and c=1/3: ab

6

Evaluate the expression if m=2, n=16, and g=1/5: 12÷m

3

Evaluate the expression if m=2, n=16, and g=1/5: 15g

26

Evaluate the expression if m=2, n=16, and g=1/5: 2n-6

9

Evaluate the expression if m=2, n=16, and g=1/5: 45g

2

Evaluate the expression if m=2, n=16, and g=1/5: 50g²

22

Evaluate the expression if m=2, n=16, and g=1/5: 7m+8

24

Evaluate the expression if m=2, n=16, and g=1/5: n+8

14

Evaluate the expression if m=2, n=16, and g=1/5: n-m

20

Evaluate the expression if m=2, n=16, and p=1/3: 12m-4

4

Evaluate the expression if m=2, n=16, and p=1/3: 12p

1

Evaluate the expression if m=2, n=16, and p=1/3: 3p

11

Evaluate the expression if m=2, n=16, and p=1/3: 6m-1

1

Evaluate the expression if m=2, n=16, and p=1/3: 9p²

12

Evaluate the expression if m=2, n=16, and p=1/3: m+10

18

Evaluate the expression if m=2, n=16, and p=1/3: m+n

4

Evaluate the expression if m=2, n=16, and p=1/3: n÷4

2

Evaluate the expression if m=4, z=9, and r=1/6: 12r

7

Evaluate the expression if m=4, z=9, and r=1/6: 3+m

1/12

Evaluate the expression if m=4, z=9, and r=1/6: 3r²

14

Evaluate the expression if m=4, z=9, and r=1/6: 4m-2

6

Evaluate the expression if m=4, z=9, and r=1/6: 60r-4

5

Evaluate the expression if m=4, z=9, and r=1/6: z-m

34

Evaluate the expression if x=3, y=12, and z=8: 4z+8-6

29

Evaluate the expression if x=3, y=12, and z=8: 7z÷4+5x

6

Evaluate the expression if x=3, y=12, and z=8: y²÷(3z)

37

Evaluate x-y if x=64 and y=27

1/16

Evalute 4x² if x=1/8

48

What is the value of st÷(6r) if r=5, s=32, and t=45

4m

Write the phrase as an algebraic expression: four times more money than elliot.

b/2

Write the phrase as an algebraic expression: half as many pages as George.