Please help me with this

What is 32+4 x (16 x 1/2) -2 show your work}

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

The median am of triangle ∆abc is half the length of the side towards which it is drawn, bc . prove that triangle ∆abc is a right triangle, and find angle mac and abm