How can you fin f(3) if f(x) = -2x2 -3

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

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8