(0, 0) If it's a flat line, there is no slope.
IF YOUR SOLVING FOR A THE ANSWER WOULD BE A=X+12
IF YOUR SOLVING FOR X IT WOULD BE X=-12+A
We will use the formula of discount % to find the selling price...!
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<em>Complete solution in attachment!</em>
The equation for slope is y=mx+b. slope is m. 2 is the slope. so you know the m part of the equation is 2. just by eliminating the answers that don’t have 2 as the slope, A is your answer.