Contestants in a dance a-thon rest for the same amount of time every hour. A couple rests for 21 minutes
in 3 hours. How long did they rest in 8 hours?
The couple rested
minutes in 8 hours.

Nnnnneeedd 1.find the residual if you know the actual number is 5.2 and the predicted value is 4.8

What is the length of the unknown leg in the right triangle ?

Suppose sat writing scores are normally distributed with a mean of 497 and a standard deviation of 109. a university plans to award scholarships to students whose scores are in the top 2%. what is the minimum score required for the scholarship? round your answer to the nearest whole number, if necessary.