Ph of less than 4 and greater than 1.5

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

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

If the scale factor between two circles is 2x/5y what is the ratio of their areas?