16-2x=-3x+6x+1 what is x

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list

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.