8. Michelle ordered two large pizzas. Each pizza was cut into eight slices of 1 3 1 equal size. She gave of a pizza to Chris, of a pizza to John, and of a pizza 2 8 4 to Sally. How many slices of pizza were left?​

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2