How to fix this toy car's wheel​

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15

Sum of the interior angles of a pentagon

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction