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adding & subtracting negative numbers
evaluate -1 -3 - (-9) + 5
what is the answer

What could explain what happened when the time was equal to 120 minutes

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !