Please help, thanks​

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

If sin(x) = 0 and cos(x) = 1, what is tan(x)?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x