Which table shows equivalent ratios?

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

It says factor each expression completely 8y+48

M. xyz =radians. covert this radian measure to its equivalent measure in degrees.