Which expression is equivalent to ¾(12f + 16) - (2f - 6)? A. 7f + 18W
B. 11f + 6
C. 5f - 2
D. 3 + 10

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 coefficient of the term of degree of degree 5 in the polynomial below

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).