Please help me

Average acceleration: i have no idea how to do this.

F(x) = 1/x g(x)=x-4 can you evaluate (g*f)(0) ? why or why not?

Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by