Mr. Bradley has found that the grades on the Algebra II final exams are
normally distributed with a mean of 64 and a standard deviation of 11.
(a)
If the passing grade is 54, what percent of the class will fail?
b)
If Mr. Bradley want only 85% of the class to pass, what should the
passing grade be?

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.