Evaluate the expression below
4 - 2 2x2 + 3
is my answer right

Which statement about perfect cubes is true

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

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