What percentage of the nation’s demand for electricity could be produced in the future by wind energy?

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 factored form of the following expressions? d^2 – 13d + 36

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?