Which expression is equivalent to (10 + 7r-r?) + (-6r2-18 + 5r)? F.)-7r2 + 2r + 8
G.)7r2 + 12r + 8
H.)-7r2 + 12r - 8
j.)7r2 + 2r - 8

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.