A total cost of C in dollars to dry clean a certain of shirts s is given by the equation C equals 3.25​

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

One side of a rectangle is 7 feet shorter than seven times the other side. find the length of the shorter side if we also know that the perimeter of the rectangle is 306 feet.