The polynomial d^2 - pi • r^2 represents the area of a region, where d is the diameter of a circle and r is the radius of the circle. How can this happen? Justify your answer with a diagram.​

Determine the volume of a cylinder bucket if the diameter is 8.5 in. and the height is 11.5 in.

Match the equivalent expressions. x - 3y + 12 12 - 3y - 2x + x + 2x 3x + 2y - 2x + y + 12 3y + 12 3x + y - 12 4y + 3y + 3x - 6y - 10 - 2 x + 3y + 2x - 3x + 7 + 5 x + 3y + 12 5 + 2y + 7x - 4x + 3y - 17

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5