Given the following set of ordered pairs, determine if it represents direct or inverse variation and find the value of r given that k = 5.
(3, 20) (1,5)(2,6)

If 1 is divided by the sum of y& 4. the result is equal to 3 divided by 4 .find the value of m?

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi

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.