Find the annual rate of interest.
principal = 7800 rupees
period = 7 years
total amount = 11349 rupees
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annual rate of interest
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Astudent draws two parabolas both parabolas cross the x axis at (-4,0) and (6,0) the y intercept of the first parabolas 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