Select the multiplication sentence that applies the associative property of multiplication to the example. example: (5 × 3) × 2 = 30 a. (5 + 3) × 2 = 16 b. 5 × (3 + 2) = 25 c. 5 × (3 × 2) = 30 d. 2 + (4 × 7) = 30

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.