Think of a whole number Subtract 2. Take the original number and add to find the product of the numbers. Subtract the square of the original number use polynomials to show how this number trick works

Hi, can anyone show me how to do this problem? 100 points for this. in advance

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?

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