What is the first step in evaluating the expression shown below? (12.9-3.1) 6.2 - 2 + 43
A. Multiply 3.1 and 6.2.
B. Add 2 and 43
C. Subtract 3.1 from 12.9.
D. Subtract 2 from 6.2.

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

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.

If 25% of y is 30, what is 60% of y?