A laptop computer that you want to purchase was originally priced at $775. You will receive a 20% student discount, and the sales tax rate is 8%. How much money will you pay for the laptop? Round to the nearest cent if needed.

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