How do you convert 20x + 9y = 9 into slope intercept form?

You are measuring the dimensions of the floor in your bedroom because you are planning to buy new carpet. which unit of measure is the most appropriate to use in this situation?

What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

Me asap on # : explain how factoring a trinomial, ax^2+ bx+ c, when a does not equal 1 different from factoring a trinomial when a = 1.