The ratio of greenhouses to white houses on Winthrop Street is equal to 4 to 5. There are 65 white houses on Winthrop Street. How many greenhouses are there?

The graph of a line gets what as the value of the slope gets bigger

What could explain what happened when the time was equal to 120 minutes

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