What are the coordinates of the vertex of the parabola described by the equation below?y = -7(x - 4)2 - 5 A.(-4, 5)
B.(4, -5)
C.(-5, -4)
D.(5, 4)

What can you determine about the solutions of this system

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

A50-foot ladder is leaning against a vertical wall. if the base of the ladder is 45 feet from the base of the wall, find the angle the bottling of the ladder makes with the ground.