1st question: 26 miles per gallon
2nd question: 4 miles per hour
3rd question: The 5 bags of pretzels is the lower unit price.
Hope this helps!
Step-by-step explanation:

Answer:
y = 116
Step-by-step explanation:
The central angle is double any inscribed angle that intercepts the same arc.
Inscribed angle HGF intercepts arc HF, so central angle HOF will be double the value of HGF.
2×58° = 116° = y°
y = 116