Please answer this correctly

The vertex of this parabola is at (-2, 5). which of the following could be it’s equation? a. y=3(x+2)^2-5 b. y=3(x-2)^2-5 c. y=3(x+2)^2+5 d. y=3(x-2)^2+5

Xto the second power plus 14x plus 48. what are the factors? we are doing factoring trinomials with a=1

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*