Could someone help me with this?

The empire state building in new york city is 1454 feet tall a model of a building is 24 inches tall what is the ratio of the height of the model to the height of the actual empire state building

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Plot a point at the y-intercept of the following function on the provided graph. 3y=-5x+7 20 points