Given that A=1/2πrh, make r the subject of the formula?​

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

Louis wants to carpet the rectangular floor of his basement the basement has an area of 864 square feet the width of the basement is 2/3 its length what is the length of lewis's basement