Coficient of x^2 in -4x^2

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?

Solve the triangle. a = 21°, c = 105°, c = 5

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss