Does anyone on this website know geometry? ?

100 points, hi, i’m not sure how to get the equation from the graph and table.

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?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then