Jaxon test-drives cars for a car company. Part of his job is to test the cruise control on a testing course. On his last drive, he set the cruise control at 48 miles/hour and drove for 2 hours. How many miles did Jaxon drive?

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%

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?