An elevator in casson’s department store started on the ground floor. it went up 7 floors, down 6 floors, up 8 floors, and down 5 floors. which expression could be used to find the total number of floors through which the elevator passed? a.

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?