Answer:
Graph B
This is because of the vertical line test. Say you were to draw a vertical line that stretches through the whole graph. If this line you draw passes through more than two points of the same line/function/whatever b is, it is not a function.
Answer:
decimal form: 6.83333333333 or 6.83
fraction form: 6 1/5
ans：A （60）
as it is opposite to 60degree and the theory of this is same with opposite number
Answer will be 15>
Supplementary angles are two angles with the sun of 90 degrees
