Iam confuse on these question

In triangles abc and wxy, a=w and b=x which of the following must be true to prove abc=wxy by the aas theorem? a.ab=bc b.bc=xy c.ab=wx d.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

Solve the equation x/4 - 5= -8 -27 -12 -7 12