Need Help on This, please.

Which point is on the line y=-2+3? (-2,-1) (3,3) (3,-3) (-3,-9)

Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each, and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent. how much did jamie pay at the end?

Consider the graph of the exponential function y=3(2)×