Achemical company mixes pure water with their premium antifreeze solution to create an inexpensive antifreeze mixture. the premium antifreeze solution contains 65% pure antifreeze. the company wants to obtain 130 gallons of a mixture that contains 20% pure antifreeze. how many gallons of water and how many gallons of the premium antifreeze solution must be mixed?

water: _ gallons
premium antifreeze: _ gallons

Paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each? 1. define a variable for the situation. 2. write an inequality that represents her profit. note: revenue is money coming in. cost is money going out. profit is the difference between the revenue and the cost. in other words: revenue - costs profit 3.using words, describe how many windows she must sell to have a profit of at least $48,000.

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false

Find a conversion factor between square centimeters and square meters. write it in three forms. square centimeters = 1 square meter