For the right triangle shown, use the trig functions to find the value of x. Round your answer to the nearest tenth.

Classify each polynomial by its degree and by its number of terms.

Find the roots of the equation below. x^2 - 6 + 9 = 0

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%