The diameter of a sphere is 12 ft. 1. What is its surface area in terms of pi?
2. What is its volume to the nearest tenth?
3. The volume of a sphere is 80pi cm^3. What is its surface area to the nearest whole number?

Consider the graph of the exponential function y=3(2)×

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.

If you apply the changes below to the linear parent function f(x)=x what is the equation of the new function vertically stretched by a factor of 3 flip over the x axis