A ball is thrown from a height of 156 feet with an initial downward velocity of 8ft./s the balls height H in feet after T seconds is given by H =156-8t-16 T squared how long after the ball is thrown does a hit the ground?

Danielle earns a 7.25% commission on everything she sells at the electronics store where she works. she also earns a base salary of $750 per week. what were her sales last week if her total earnings for the week were $1,076.25?

Need on this geometry question. explain how you did it.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap