Raven built a rocket for her science project and launched it from a platform to track its path. The height, h, in feet, of the rocket above the ground at time t seconds can be modeled by the equation h=−16t2+32t+4. What is the maximum height the rocket reaches?.

Why do you think electric energy for households is generally supplied by power plants instead of by an electric generator at home.

Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.