You started the month of august with $50. during the month, you spent $17.49 on food, earned $25 for jobs in the neighborhood, and spent $28.31 at the theater (darn those expensive tickets and how much did you have at the end of the month?

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