It is simplified as much as it can go.
Answer:
B, 21
Step-by-step explanation:
78 minus 57 is 21, thus B is the correct choice
Each row you add 4 more seats. So 119 seats are in the 19th row...
To find the standard form of the equation, you need to:<u>
</u><u>1. Write the Equation Out:
</u><u />

<u>2. Distribute the Exponent:
</u><u />

<u>3. Use the Distributive Property:
</u><u />

<u>4. Combine Like Terms:
</u><u />
Your Answer: 
Hope this helps!
Answer:
C=$30.00+.10m
Step-by-step explanation:
The total cost per mile is 10 cents or $0.10. If he drives 5 miles, that will cost him an extra 50 cents on top of the base total of 30.