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?

Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Haruka hiked several kilometers in the morning. she hiked only 66 kilometers in the afternoon, which was 25% less than she had hiked in the morning. how many kilometers did haruka hike in all?