Acar rental company charges a daily rate of 23$ plus $0.30 per mile for a certain car. suppose that you rent a car for a day and your bill (before taxes) is $158. how many miles did you drive

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%)