An experiment involves drawing a card from a standard deck, recording its color, and returning it to the deck. The experiment was performed 50 times, and the results are shown in the following frequency table. ColorFrequency

red22

black28

What is the experimental probability of drawing a red card?

What is the value of 1/3× + 7x, when x =5

When y’all answer can y’all explain too !

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