a. How far is the spot on the beach from the parking lot?
b. How far will he have to walk from the parking lot to get to the refreshment stand?
a. The distance from the parking lot to the spot on the beach is unknown and would depend on the specific location of the parking lot and the spot on the beach.
b. The distance from the parking lot to the refreshment stand is also unknown and would depend on the specific location of the parking lot and the refreshment stand.