Squaring both sides of the given equation: w^2=7w, or w^2-7w=0.
w^2-7w=0 can be factored: w(w-7)=0. Then, w=7 or w=0. Both 0 and 7 are solutions of this equation.
216/8= 27. X= 27. Subtract you divide
Answer:
exponential. not linear functions because they change by equal differences not intervals.
8pm to 2am, or 8am to 2pm, either way, Carla would've worked for 6 hours.
6*$13=$78
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Carla would earn $78 if she were to clean for 6 hours.