In a convex $20$-sided polygon, the sum of the $10$ larger interior angles is $160$ degrees more than the sum of the $10$ smaller interior angles. What is the average measure of the $10$ larger interior angles?

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

Which of the following is not a subset of {1,2,3}?

Find the distance between the point (-3,-4), and (see the picture below)