What is the constant of proportionality in the equation y = 5x
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Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Marya wants to factor the polynomial 36x^3 -22x^2 - 144x.which term can she add to the polynomial that would not change its grestest common factor? check all that apply

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.