Pine elementary school chorus needs tapes to record their musical for the members. tapes cost $7.95 for a package of 2 tapes and $11.75 for a package of 3 tapes. if 23 members want copies of the tape, what is the least amount they will spend

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 average diastolic blood pressure for adults

This circle is centered at the origin, and the length of its radius is 6. what is the circle's equation? a. x^2+y^2=36 b x^2+y^2=6 c x+y=36 d x^6+y^6=1