Robert is a salesperson. He receives 7% commission on each piece of electronic equipment he sells. How much commission will he receive if he sells $6,800 worth of electronic equipment?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%

Which expression is equivalent to 3^3 + 2^2?