Quickk experts/ace or anyone who wants to choices for the first box/ 18,40,450,720,1000 second box , 5,10,20,40,50

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. x^2 - 4x - 5 = 0

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

The amount of data left on the cell phone six gb for 81.5 gb of data is used how much data is available at the beginning of the cycle