In the figure below, lines w and z are parallel. What is the value of x

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x