Equation for square and the area for square

What is the value of the expression 9+n/3-6 when n = 12? 1. 5. 7. 12.

Talia took the bus from her home to the bank and then walked back to her home along the same route. the bus traveled at an average speed of 40 km/h and she walked at an average speed of 5 km/h. to determine the time, x, that it took talia to walk home, she used the equation 40(0.9 – x) = 5x. the time of trip 2 is hours. the distance of trip 1 is km.

Find 1/8 of 12. express your answer in simplest form.