I need this ASAP, it’s an assement would really help out

What is the range of the relation in the table below? x y –2 0 –1 2 0 4 1 2 2 0

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 jame pay at the end?

Can someone tell me if this is perpendicular? !