Reduce 22/30 to lowest terms and write the numerator in the blank.

99 points at a zoo, the leopard pen has a ring-shaped sidewalk around it. the outer edge of the sidewalk is a circle with a radius of 12 m. the inner edge of the sidewalk is a circle with a radius of 8 m. (1 point for showing all of your work) a. write and simplify an expression for the exact area of the sidewalk. (1 point for the answer) b. find the approximate area of the sidewalk. use 3.14 to approximate π. (1 point for the answer)

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.