Multiply the following using the vertical multiplication method:

3x^2+5x+1
* x^2-2x+4


a. 3x^4-x^3+3x^2+x+4

b. 3x^4+5x^3+10x^2+18x+4

c. 3x^4-x^3+3x^2+18x+4

d. 3x^4+x^3+x^2+x+4

What could explain what happened when the time was equal to 120 minutes

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

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2