A pair of headphones are on sale for 15% off. The sale price is marked at $51.00, what is the original cost of the headphones?

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

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.

Which graph represents the equation y =4x