The graph below shows a proportional relationship between y and x. What is the constant of proportionality, y/x?

y to x
40 1
60 1.5
80 2

A20? -foot ladder is placed against a vertical wall of a? building, with the bottom of the ladder standing on level ground 19 feet from the base of the building. how high up the wall does the ladder? reach?

In trapezoid bath, ah=19.7 and et=16.1. identify be.

Solve the given system of equations. 2y= -x+9 , 3x-6= -15