Can someone help me please I pay you £50

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Adriveway is 40 yards long about how many meters long is it

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%