The cost of 3 subs and 7 cookies is $18.75. five subs and 21 cookies cost
$38.25. find the cost of each item.

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

Can someone answer this question for me

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points