Write each ratio as a fraction: A. The ratio of face-up cards to the whole set.
B. The ratio of face-down cards to the whole set.
C. The ratio of face-down cards to face-up cards.
D. Add a drawing of some face-down cards so that the
ratio of face-down to face-up cards is 3:4. Justify your
answer.

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