I'm struggling on these questions, be great help if you can help me.

When turned about its axis of rotation, which shape could have created this three-dimensional object?

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

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).