mary decreased her time for the mile walk from 30 minutes to 24 minutes. what was the percent of decrease

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

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