Matt is running in a 9 mile race over
labor day weekend, each mile that he
runs is of a minute longer than the mile
before it. if matt's 1st mile is 5 minutes,
how long will it take him to complete the
race?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)