The augmented matrix below represents a system of equations. PH

2

7

-3

4

1

1

2

7

Which matrix results from the operation R1 R2?

2

7

2

7

1

1

1

7

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Use this graph to find the cost of 6 show tickets

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.