Help ASAP it’s due tomorrow

In the coordinate plan (-6,9) b (3,9) c (3,3) def is shown in the coordinate plan below

1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]

Plz hurry evaluate the expression a+b where a=8 and b=19