9 A population of scores has u = 44. In this population, a score of X = 40 corresponds to z=-0.50. What is the
population standard deviation?
a. 4
b.-8
c. 8
d. 2

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?

Ian is in training for a national hot dog eating contest on the 4th of july. on his first day of training, he eats 4 hot dogs. each day, he plans to eat 110% of the number of hot dogs he ate the previous day. write an explicit formula that could be used to find the number of hot dogs ian will eat on any particular day.