52. CHALLENGE You have 120 folding chairs to set up in a park for an outdoor play. You want each row to have an odd number of chairs. You also want
each row after the first to have 2 more chairs than the row in front of it.
The first row will have 15 chairs.

Find an equation (in term of x) of line through the points (-1,3) and (1,4)

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.

Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?