Which is the simplified form of the expression3(7/5x+4)-2(3/2-5/4x)

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

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%

52 cm radius = diameter = area = circumference = circumfer