Sally lives in City A and works for the department of transportation. She needs to inspect the weigh stations in each of six different cities. In how many ways can she reach each of these cities and return to her home in City A?

She can visit the city on 192 ways.

Step-by-step explanation: If Sally starts from city A, and after going from 4 cities she returns to home, then that can be on 4! = 24 ways.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80