use an equation to fine the value of k so that the line that passes through the given points has the given slope. Explain your reasoning. (1,-1), (-2,k):m=-4 help this is due tomorrow

Which ordered pair (c,d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15

How do i multiply two digit numbers

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