Find the area of the shaded region in the figure below if the radius of the outer circle is 8 and the radius of the inner circle is 2. Keep your answer in terms of it.

What is the percent of increase for a population that changed from 438,000 to 561,000

Match the term on the left with its image or description on the right. match term definition diameter a) circle a and a line segment connecting points b and c which are on the circle. circumference b) circle a and a line segment connecting points b and c which are on the circle. radius c) a piece of the circumference of a circle secant d) two circles that share the same center. concentric circles e) the distance around a circle arc f) a segment between two points on a circle that passes through its center

If the dimensions of a rectangular prism are 5 ft x 3.5 ft x 2 ſt, what is the surface area?