Find the area of a circle with diameter 16 yd. Use the value 3.14 for it, and do not round your answer.
Be sure to include the correct unit in your answer.

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2