Solve the equation d - 4= -12

d=16
d= - 16
d=8
d= - 8

What is the result of adding the system of equations? 2x+y=4 3x-y=6

How do i put 3(x+7) in distributive property

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