Suppose you want to test the effectiveness of a certain drug for treating a disease that is, you want to see if using the
drug is better the standard treatment. you select 150 patients to give the drug, and 150 patients to give the standard
treatment. name at least five factors you should control for in your samples to make the test more random

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative