If a ball is thrown vertically upward at a speed of 77 feet per second from 5 feet off the ground, how
long will it take to be 20 feet off the ground?
Ot=2, 20
Ot=.5,7
Ot=0.20, 4.61
t=5,77

Four equations are shown below.equation 1: y=2*equation 2: y=2x-5equation 3: y=x2 + 6equation 4: tdentify one linear equation and one nonlinear equation from the list.why each equation you identified is linear or nonlinear.nd one nonlinear equation from the list. state a reasonlinear equation