Answer:
A
Step-by-step explanation:
Subtract 1 from both sides and divide by 2. This will leave you with x=-2 which is the simplified form of the equation.
99 km ... 9 liters
x km ... 12 liters
If the relationship is proportional, we have

from where
The answer is 132 kilometers.
Answer:
251.2
Step-by-step explanation:
V=πr²h
3.14×4²×5
The answer would be 3z(5x + 7y)