Carmen bought x candy bars, she game 3 of them away, enter the expression into the box to represent the number of candy bars carmen has now. plsss !

y=x-3  is the most plausible answer i can give you. Was that the whole question?

ca = ec

cpctc makes it so that corresponding parts of the triangle you proved to be equal are equal, the other options aren't part of the part of the triangles you proved to be equal.

40 i don’t know lololol