Calculate the value of the expression 18/-3 Select one:
A. 6
B. -6
C. -4
D. 0.167
E. -0.167

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 similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?