What is the diameter of B?
With explanation. No links.

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

If m is the midpoint of ln and ln=27.8 find the length of mn

Lines de and ab intersect at point c what is the value x? a.12b.25c.38d.52