Math help pls:) will mark

Marcus built a model car that is 4 inches wide. what scale was used to build the car if the actual width of the car is 6 feet? a. 1 in. = 2 ftb. 1 in. = 2.5 ftc. 1 in. = 1.5 ftd. 1 ft = 1.5 in.

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)

True or false look at the picture pls : /