The perimeter of a desk is 54 inches. if the length of the desk is 15 inches what is the width of the desk?

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

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

It says factor each expression 49x-28?