What is the interquartile range (iqr) of this data set? 3, 7, 8, 11, 13, 15, 16]

a. 13

b. 8

c. 3

d. 7

How do you find principle and simple interest

List the sides of δrst in in ascending order (shortest to longest) if: m∠r =x+28°, m∠s = 2x+16°, and m∠t = x+12°

What’s the answer ? use the picture to see the problem