The trip there is 58.5$ and the trip back is 63$. 63-58.5= 4.50. Which makes the answer B
For this case we have:
Let x be the variable that belongs to the real numbers. Then, all reals less than 70 can be expressed as:

The tip of the inequality is directed to the real numbers, since they tell us that they are less than 70, for 70 the inequality remains open.
Answer:

132 degrees
37 degrees
169 degrees
180 degrees