Please help ASAP! This is timed! :(

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.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

Describe how to translate the graph of y=/x to obtain the graph of y=/x+5