For every 3 packages that Marcella wraps, she uses 1\2 of a roll of wrapping paper. If she uses 2\12 rolls of wrapping paper, how many packages has she wrapped?

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

What is the quadric regression equation that fits these data

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7