Reginald has scores of {87, 79, 95, 91} on the first four exams in his Spanish class. What is the minimum score he must get on the fifth exam to get an A (90 or higher) for his final grade?

If the average of numbers is and the average of numbers is , what is the average of all the numbers?

What is the mean of the following numbers?

88,99,31,47,68,27

The mean of the set is 20. What is the mean of the set ?

What is the mean of 44, 22, 134, and 200?

Find the mean of the following set of numbers:

Find the mean of the following numbers:

150, 88, 141, 110, 79

The mean of the following set is 8. What is ?

Find the mean of the following set of numbers: 32, 23, 46, 52, 37.

Find the mean of the following set of numbers: