The scale factor of two similar polygons is given. Find the ratio of their perimeters and the ratio of their areas.

(5. 9:3) (6. 4/20)

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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.

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