Evaluate the expression below for x = 4.
3x + 2x - 81 - 12

Ateacher has $80 to buy workbooks. each work book cost $3. if she buys as many workbooks as possible, how much money does she have leftover? a) $2 b) $4 c) $6 d) $8

He concluded that a heavier object dropped from the same height as a lighter object will land

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)