I need help for this, there's a picture and the question below

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?

What is the measure of angle tvu shown in the diagram below

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8