Abag of marbles contains 5 red, 3 blue,2 green and 2 yellow marbles.
what is the probability that you choose a blue marble and then another blue marble, assuming you replace the first marble? ?
a.1/24
b.1/16
c.1/2
d.3/4

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.