If I'm correct 158 and S are supplementary angles, meaning that they both must add up to 180, so to find the answer subtract 158 from 180
180 - 158 = 22
S = 22
Answer: 10 - 2√21
Step-by-step explanation: I simplified your question by using an online calculator. :)
It's D. the median for town A, 30, is less than the median for town B, 40.