1) What value for n makes this equation true?

(5 • 10) + (5 • n) = 5 • 15

A.
5

B.
10

C.
15

D.
20
_________

What value for n makes this equation true?

(10 • 10) + (10 • 8) = 10 • n

A.
8

B.
10

C.
18

D.
20
_________

4) Which is another way to write the expression 22 • (h + 6)?

A. (22 • h) + 6

B. (22 • h) • 6

C. 22 • 6 + h

D. (22 • h) + (22 • 6)
_________

5) Which is another way to write the expression p • (10 – 2)?

A.
10 • 2 – p

B.
(p • 10) – (p • 2)

C.
(10 • 2) – p

D.
(10 • 2) • p
_________

6) Which is another way to write this expression?

a • (19 - 5)

A. 5 • 19 • a


B. a - 19 - a - 5


C. (5 • 19) - a


D. (a • 19) - (a • 5)
__________

7)

Which is another way to write this expression?

15 • (8 – y)

A.
15 • 8 • y

B.
(15 • 8) – (15 • y)

C.
(15 • 8) – y

D.
15 – 8 – 15 – y
_________

8) What value for t makes this equation true?

3 • 14 = (3 • t) + (3 • 10)