Using the following data, calculate the mean absolute deviation: 7 2 8 5 9 9 5 6 8 1

What is the mean absolute deviation for these data?
2.2
6
6.5
8

Scale factor of 2 is used to enlarge a figure as shown below the area of is 18 in.²

What ia the sum if the first 7 terms of the geometric series

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.