A question on a test asks students to find the speed at which a car travels.
The graph shows a proportional relationship
between the distance traveled in miles and time
in hours. Billy incorrectly says that the speed of the car is 1/56 mile per hour. What is the speed of the car? What error might Billy have made?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Construct the graph that models the given situation