Jamil receives a weekly paycheck. he immediately puts 10% of his salary each week into a savings account. if jamil can spend everything he doesn’t save and won’t take any money back out of his savings account, what would jamil’s minimum salary have to be so he would have $250 to spend each week?
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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