im doing ixl's and the limit grade to stop and get a 100 is 80% please help me with this question...Q isthe midpoint of PR. If QR = x + 8 and PR = 3x + 8, what is PR?

Don't know how to find x given these segment lengths

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.

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?