Supplementary means it adds up to 180 degrees. So if one side is 31 degrees, you would need to subtract that from 180 to find the other side. ----------------------- 180 - 31 = 149 ----------------------- The other angle would be 149 degrees.
3 was the mode of the number of rides the people went that day because it appeared 3 times than the other numbers 0,1, and 2 which appeared only 2 times in the chart Hope this helps!:)
The three units upward shift is denoted by +3 outside of the parenthesis and horizontal shift to the right is represented by -2 inside the parenthesis. The answer is C.
