Question 3 of 15 Unit of Measurement, a punk/disco band, was signed up to play a benefit concert for New Year's Eve. They started at 6:00 pm on New Year's Eve and managed to play until 9:00 am the morning of January 2. How many minutes did they actually play?​

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%)