I need 8 and 9 please help its almost due

Astudent survey asked: "how tall are you (in inches)? " here's the data: 67, 72, 73, 60, 65, 86, 72, 69, 74 give the five number summary. a. median: 73, mean: 70.89, iqr: 5, min: 60, max: 74 b. 60, 66, 72, 73.5, 86 c. 60, 67, 72, 73, 74 d. 0, 60, 70, 89, 74, 100

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12

Kira looked through online census information to determine the overage number of people living in the homes in her city what is true about kira's data collection?