What do you wish to be?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

Evaluate the expression. (9 + 5)(3 + 2)0

Triangles abc and dfg are given. find the lengths of all other sides of these triangles if: b ∠a≅∠d, ab·dg=ac·df, ac=7 cm, bc=15 cm, fg=20 cm, and df-ab=3 cm.