What ordered pairs are the solutions of the system of equations shown in the graph below?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

Find the quotient with the restriction.

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