Mary Sue bought two dolls priced at 7.40 each. The tax was 0.98.She paid the clerk with a 20.00 bill. How much change should she
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<h2>Answer:</h2>
First: info on point-slope form.
- Formula: <em>y - y₁ = m(x - x₁)</em>
We need to find the slope of the line first.
Slope:
Now we can complete the point-slope equation of the line.
*These equations are equivalent.