What is the solution set of the quadratic inequality x^2+x-2>=0? O {x| XS-2 or x 1}
O {x| XS-1 or x 2}
O {x| x2-2 or x S 1}
O {x| x2-1 or xs2}

HELP PLEASE !

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.