What is the surface area of this design?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

If square root x = -7, then x= -49 true or false

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2