HELP ASAP THANKS The equation below represent the path of an object. Use it to answer the following (round to 3 decimal places...no units)

h(t)=-4.9t² + 75t + 150

(a) When does the object hit the ground? ___

(b) What is the maximum height of the object? ___

(c) When does the object reach its maximum height? ___

(d) What is the height of the object at 4.67 seconds? ___

(e) How many times does the object reach a height of 149 meters? ___ (enter a numeric value)

(f) When does the object reach a height of 356 meters? ___ and ___ (enter the smaller value first)