All of you are great people, I hope you do good in everything and stay safe.

-tqkeoi

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

*segment an is an altitude of right ? abc with a right angle at a. if ab = 2root 5 in and nc = 1 in, find bn, an, ac.