Write the equation of the sinusoidal function shown. A) y = 2 sin x + 2

B) y = 2 cos(2x)

C) y = 2 cos x + 2

D) y = 2 sin(2x)

Astore sells two types of radios. one type sells $87 and the other for $119. if 25 were sold and the sales were $2495, how many of the $87 radios were sold a) 5 b) 20 c) 15 d)10

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 slope of the line that contains the points (-2,1) and (0,-3)