Each edge of a cube is 15 inches long. What is the total surface area of the cube in
square inches?

What is the approximate total length of iron edging needed to create the square frame and the two diagonals?

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Which graph represents an even function?