Acar traveled at 65 miles per hour for a total of 390 miles. how many hours did the car travel?

This question awards 100 ! i really don’t want to fail i will also mark you !

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.