Biff hit homeruns every year he played. Four times he hit 12, twice he hit 15 and other years Biff hit 6, 11, 19, and 20 homeruns. What was the mean number of homeruns that Biff hit per year? How did you find this?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days

What is the best approximation for the area of a circle with a radius of 4 m ? use 3.14 to approximate pi

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.