Recall that the scores in Mr. Young’s class had a mean of 78 and a standard deviation of 8. About what percent of students scored between 78% and 94%?

A. 47.5%
B. 34%
C. 13.5%
D. 68%

Ahome improvement store rents it’s delivery truck for $19 for the first 75 minutes and $4.75 for each additional 1/4 hour. if a customer rented the truck at 11: 10 am and returned the truck at 1: 40 pm the same day, what would his rental cost be?

What is the number 321,000,000 in scientific notation? also what is the number? ?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.