Select the correct answer.

In addition to the facts in the diagram, which statement is necessary to prove that the two triangles are congruent by the SAS criterion?

A.

AC = DE

B.

m∠BAC = m∠FDE

C.

BC = EF

D.

m∠CAB= m∠EDF

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Twelve less than a number is at most 20

Will give a: 122 b: 90 c: 48 d: 180