The sketch of y=sin x the vertex a is at (270,-1)

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.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Ineed the solution to this problem and the steps.