The base of this prism is triangle.

help giving 80 points

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%

If f(x)=-3x+2 and g(x)=-7x-2, which point represents f(x)=g(x)?

What is 2,489,287 divided by 7,482 to the nearest power.