Given the directrix of y = 6 and focus of (0, 4), which is the equation of the parabola?\

The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.

Find the area of the region that is inside r=3cos(theta) and outside r=2-cos(theta). sketch the curves.

V=x^4-y^4 pick three expressions that can represent the three dimensions of the prism (each in meters)