Find the solution set of the system.
?
?
A. ?
B. ?
C. ?
D. ?
Answer: C
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Solve the problem.If the area of the seed triangle in the construction of the Koch snowflake is 10, then the area of the Koch snowflake is
A. 20. B. infinite. C. 0. D. 16. E. none of these
Solve the equation. Express irrational solutions in exact form and as a decimal rounded to three places.3x2 ? 27 = 92x
A. 
B. {1, 3}
C. {-1, 4}
D. {1}
Find the product using the FOIL method.(2x + 6y)(5x + 9y)
A. 10x2 + 18xy + 54y2 B. 10x2 + 48xy + 54y2 C. 10x2 + 30xy + 54y2 D. 10x2 + 48xy + 48y2
Solve the problem.A candy company has 130 pounds of cashews and 170 pounds of peanuts which they combine into two different mixes. The deluxe mix has half cashews and half peanuts and sells for $8 per pound. The economy mix has one third cashews and two thirds peanuts and sells for $5.90 per pound. How many pounds of each mix should be prepared for maximum revenue?
A. 270 pounds of deluxe and 80 pounds of economy B. 130 pounds of deluxe and 0 pounds of economy C. 90 pounds of deluxe and 40 pounds of economy D. 180 pounds of deluxe and 120 pounds of economy