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Algebra
Assume that a DVD loses 60% of its value every year it is in a video store. Suppose
initial value of the DVD was $80.00.
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a. What multiplier would you use to calculate the video's new values?
y year it is in a video store. Suppose the

Let r = 3. what is the value of r + 58?

Combine the information in the problem and the chart using the average balance method to solve the problem.

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth