find the value of x and the value of y.
a x= 2√3, 7 = 43
b. x= 3, y = 6/3
c. x= 6/3, y = 12
d. x=21/3, y = 6

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.

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

Collin did the work to see if 10 is a solution to the equation r/4=2.4