What is the sum?
A. 456 B. 412 C. 516 D. 116

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

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

Find the area of an equilateral triangle with a side of 6 inches