Use the associative property of addition to rewrite (12+3)+7. Which expression is equivalent?

A. 12(3 + 7)

B. (5 + 5 + 3) + 7

C. (12 - 3) + 7

D. 12 + (3 + 7)

Tiara buys the pizza shown below: a circular pizza is shown. the edge of one slice is marked ab. what does the curve ab represent?

Find the value of x. give reasons to justify your solutions! c ∈ ae

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?