The answer is C.
Just plug in x = 1 for each of them. The correct one is the one that gives y = 5, which is C.
67 meters because if you use the triangle congruent method with the altitude at 65 degrees you should get the right answer
An expression is like an equation, but without an equal sign.
Therefore, you could say...
14 stones + 6 stones
or just...
14 + 6
