Discover Questions

How do you simplify this.... (3a+b) - (a+b)? Find a basis for the vector space:
(a -a a)
(b 0 c) and then for the vector:
(6 -6 6)
(1 0 5) give its coordinates under that basis? Ian has 14 boxes of paper and divides them evenly between 4 coworkers. How many whole boxes did each coworker get? 3 3.5 4 10? What is the molecular weight of a gas if a 21g sample has pressure of 836mm at 25 Celsius in a 2L flask? Im so confused in math. I am literally just stumped. I have no clue what I am doing?