It’s phrased very weird, but I believe I have it figured out.
On the map, there distance of the race is 41.9 inches.
So, (41.9)(400) = 16760 feet
The answer is b. If your problem is y=1/2x-3
Answer: $40+$10x
Step-by-step explanation:
1. We already know he has $40.
2. 10x represent the 10 dollars he is paid per month.
All you have to do, is combine like terms. Let's go through it:

Arrange it so you can easily combine like terms:

So, your answer for the sum is 1) 7x² - 10x + 2