Sheldon is making a steak for dinner. at first, the steak is at room temperature, 72°friday. then, he places it on the grill, where it's temperature increase at a rate of 3 1/5°f for each minutes. after ten minutes, he removed the steak from the grill and let's it cool for 7 minutes on the counter. while it is siting on the counter, it's cool at a rate of 4 2/7°f each minutes. what was the net change in the temperature of the steak from before it was cooked and when it was served?

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.