The cost of producing 4 metal units is $204 80. The cost of producing 8 units is $209 60. What is the cost to produce 12 units?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

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.

Which is the graph of the following inequality?