The function h(t) = - 16t^2 + 16t+ 12 determines the height (in feet) of a diver jumping into a pool, t seconds after jumping.
Part A: What is the vertex of the parabola?

Part B: What are the zeros of the parabola?

In the diagram below what is the approximate length of the minor arc ab

What is the equation and solution for the sentence? the sum of a number and thirty-one is one hundred thirteen. write the equation as n-31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and subtract 31 from both sides. the answer is 82. write the equation as n+31=113 and add 31 to both sides. the answer is 144. write the equation as n-31=113 and add 31 to both sides. the answer is 144.

What is the value of r of the geometric series?