The answer will be C. the total number of hours Marta spends swimming each visit. Hope it help!
Answer:
Distance of the trail from the start to the end is
miles
Step-by-step explanation:
Distance from the start of a trail to the bird lookout point=
miles
Distance from the bird lookout point to the end of the trail =
miles
We want to find the difference of the trail from the start to the end, that is, how far is the starting point from the end point.
The distance between the start and end points

miles
Answer:
1. Over 6,486 completed high-rise buildings, in New York City, are at least 35 meters, of which at least 113 are taller than 600 feet (183 m).
2. The empire State Building is 1,250′, 1,454′ to tip
3. Over 3.5 million people visit
Answer: B. −9
Step-by-step explanation: -7--(-2)
−7+−2
−9