I hace homework on IXL Y=2(1/2)x3

In a circle, a 45° sector has an area of 32π cm2. what is the radius of this circle? 32 cm 12 cm 16 cm 8 cm

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

Awoman who is 64 inches with a shoulder width of 16 inches. write an equation relating the height h to the width w. find the height of a woman who has ashoulder width of 18.5 inches