Liz flips a coin 70 times. the coin lands heads up 49 times and tails up 21 times. Complete each statement the theoretical probability of the coin landing heads up is_%

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.