Answer: 24 miles.
Step-by-step explanation:
1. You must keep on mind that, according the scale on the map, 1.5 inches represents 4 miles. Then, you can set up the following ratio:

Where x is the number of actual miles asked
2. You must solve for x, as following:

3. Therefore, 6 inches on the map represents 24 miles.
Answer: A, TRUST ME!
Step-by-step explanation:
interest= final investment - principal
interest / principal / annual interest rate = invested time
F(x) would be x value
Solution would be y value
a. (-1,1)
b. (2,7)
c. (1,-1)
c. (2,0)
This equation has no solution