Which is the correct formula to find the surface area of a triangular prism? b/2 + ph b + ph 2b + ph 2b/2+ ph

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%

Which expression converts 45 degree to radians

Ineed to know the answer to this algebra question.