Apolice helicopter is hovering at a constant altitude of .5 mile above a straight road. the pilot uses radar to determine that an oncoming car is at a distance of exactly 1 mile from the helicopter, and this distance is decreasing at 62 mph. find the speed of the car.

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.