George bought 4 submarine sandwiches for a birthday party. If each person will eat 2 3of a sandwich, how many people can George feed?

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%

In a column proof the right column states your reasons

What is the factor form of x^2-9x+14