Darcy's house is 6 times as far from school as her friends house. If her friends house is 3/4 mile from school, how many miles from school is Darcy's house

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%

What is the approximate value of  q  in the equation below? –1.613–1.5220.5853.079

If cos(θ)=2853 with θin q iv, what is sin(θ)?