When the ball hits the ground, h will be 0 so set up the equation -16t^2+16t+32=0 divide all by -16 to simply the equation t^2-t-2=0 (t-2)(t+1)=0 t=2 t=-1 you can’t have -1 second so the answer is it takes 2 seconds for the ball to hit the ground
Step-by-step explanation: Hi! So first things you want to add all the things he bought together and then subtract it from the $20. I’m sorry if this isn’t right.
