55:47 ra 1 CR SS20 (NHS)
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Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a viable
solution if x represents the number of days that a library book is late and y represents the total fee?
(-3,-0.90)
(-2.5, -0 75)
(4.5, 1.35)
(8.2.40)

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

X+y=-4 x-y=2 use elimination with adding and subtraction

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.