PLEASE HELP ME I WILL GIVE BRAINLIEST A slingshot is used to propel a rock into the air with an initial velocity of 160 feet per second from the top of a hill onto a flat plain below. The function s(t)= -16t^2+160t+384 describes the height in feet of the rock after t seconds. From what height was the rock propelled?

Abee with velocity vector r'(t) starts out at (5, −5, −3) at t = 0 and flies around for 5 seconds. where is the bee located at time t = 5 if 5 0 r'(u)du = 0?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?