Events a and b are mutually exclusive, with p(a) = 0.36 and p(b) = 0.05.
what is p(a or b)?
a.
0.018
b.
0.31
c.
0.41
d.
0.86

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