how do I solve "at 1:00., you have 24 megabytes of a movie. at 1:15., you have 96 megabytes. what is the download rate in megabytes per minute?"

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?

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%)