2. a chemist wants to make 4 liters of a 7% acid solution by mixing a 10% acid solution and a 4% acid solution. how many liters of each solution should the chemist use? write your answer as a complete sentence be sure to: (a) define your variable and expressions for the quantities. (b) write an equation that models the problem. (c) solve the equation. (d) state the answer in a complete sentence and explain

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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.

5. which description does not guarantee that a quadrilateral is a squar ajo is a parallelogram with perpendicular diagonals 0% has all sides congruent and all angles congruent o has all right angles and has all sides congruent 10% is both a rectangle and a rhombus 30%