The perimeter of a picture frame is 68 inches. The difference between the length of the frame and
three times its width is 2. The system of equations
21 + 2 W = 68
21 - 6W = 4
represents this situation, where l represents the length
in inches and W represents the width in inches. What
is the width of the frame? What is the length of the
frame? Show your work!

If the table of the function contains exactly two potential turning points, one with an input value of –1, which statement best describes all possible values of m? m ≥ –12 –12 < m < 4 m ≤ 4 m ≥ 4 or m ≤ –12

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 are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?