If the volume of the cone is 420 in3? what is its surface area?... Use 3.14 for it and round the answer to the nearest hundredth.

Find the area of the triangle formed by the origin and the points of intersection of parabolas y=−3x^2+20 and y=x^2−16.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?

What graph represents an even function