Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 576t. after how many seconds does the projectile take to reach its maximum height? *will give brainliest *

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

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?