Which expression could not be used to find the quotiend of 1,377 and 9 a. (990: 9)+(387: 9) b. (900: 9)+(450: 9)+(27: 9) c. (1080: 9)+(270: 9)+(27: 9) d. (1000: 9)+(300: 9)+(70: 9)+(7: 9)

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.