99 km ... 9 liters
x km ... 12 liters
If the relationship is proportional, we have

from where
The answer is 132 kilometers.
Answer:
11.1
Step-by-step explanation:
G o o g l e
Answer: b) multiply row 1 by -3 and add the result to row 2
Step-by-step explanation:
Answer:

Step-by-step explanation:
we know that
The quadratic equation in standard form is equal to

we have

This is a quadratic equation in vertex form
Convert to standard form

Apply distributive property

Combine like terms
----> quadratic equation in standard form