Please please please hel On question 1 of this review, Marcy attempted to solve for the value of x. On the left side of her equation, she simplified the terms to 5x +19 = 5(x -3) +2. What did she do incorrectly? What should she have done to simplify her answer correctly? The original question is below.
3(x+4)-2x+7=5(x+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.

Consider the graph of the exponential function y=3(2)×

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)