Answer:
7(6m - 4) = -364
multiply 7 for both variables in the parenthesis
42m - 28 = -364
move 28 to other side
42m= -336
divide 42 on both sides
m= -8
The correct answer is B. Supplementary
That is the basic definition of what supplementary angles are and can be found in any textbook.
2-x is not a polynomial so there fure its the 3rd choice which is c
112/150, then reduce. the answer is 56/75
