The graph shows the height in feet of an object above the ground t seconds after it was launched from the ground. Use the graph to answer the questions that follow.

He concluded that a heavier object dropped from the same height as a lighter object will land

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?

Which statement justifies why angle ebc measures 90?