3.which equation is equivalent to x + 3y – z = 3? 3x + 6y – 3z = 6 2x + 4y – 2z = 8 4x + 12y – 4z = 12 2x + 3y – 4z = 12 4.which of the following points lies in the plane 3x – 2y + 4z = –12? (2,–2, 3) (5, 15, 2) (4, 16, 2) (–4, 3,–2)

Saline iv fluid bags cost $64.20 for 24, 1000 ml bags from one supplier. another supplier sells 500 ml bags for $2 each. the hospital uses about 10,000, 1000 ml bags each month. nurses report that about half of the bags are more than half full when they are discarded. if you are going to use only one supplier, which would you choose and how much would you save with that choice? show calculator try it! if you buy 1000 ml bags, how many do you need to buy each month? type your answer in the space provided and click on the check answer button.

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

Deshawn uses 3/4 of a box of rice to cook dinner the portion he uses weighs 12 ounces right and solve an equation to find the weight of the full box of rice