A garden is sodded in the shaded portion below. How many square feet were covered with sod

What is the rotational symmetry of a wheel

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

How do i create an equivalent expression that includes parentheses so that the value of the expression is 2 for 3+8-4x2-12