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)