Select the correct answer. If the distance covered by an object in time t is given by , where s(t) is in meters and t is in seconds, what is the average velocity over the interval from 2 seconds to 4 seconds? A. 15 meters/second B. 14 meters/second C. 13 meters/second D. 12 meters/second E. 11 meters/second

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.