Factor the polynomial expression.
1+1

Look at this expression. a3b3c a-3b-3c-1 which of the following is the simplest form of the expression above?

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%

What is the result of adding the system of equations? 2x+y=4 3x-y=6