Answer:

Step-by-step explanation:
The first step is to ensure that all of the fractions have a common denominator.

Hope this helps!
Answer:
The answer I got was 7 7/10
(sorry if wrong!)
Use Cymath it helps and give u the answer
Answer:
B. Dan walked uphill, then downhill.
Step-by-step explanation:
The place that the slope went up is based on the distance from the starting point, so the distance is up then down. I hope this helped and please mark me as brainliest!