A university class has 20 students 10 or psychology majors three or art majors and seven or history majors the professor is planning to select two of the students for a demonstration the first student will be selected at random and then the second student will be selected at random from the remaining students what is the probability that to psychology majors will be selected

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.