Solve the problem.A candy company has 130 pounds of cashews and 160 pounds of peanuts which they combine into two different mixes. The deluxe mix has half cashews and half peanuts and sells for $6 per pound. The economy mix has one third cashews and two thirds peanuts and sells for $5.50 per pound. How many pounds of each mix should be prepared for maximum revenue?
A. 100 pounds of deluxe and 30 pounds of economy
B. 130 pounds of deluxe and 0 pounds of economy
C. 300 pounds of deluxe and 60 pounds of economy
D. 200 pounds of deluxe and 90 pounds of economy
Answer: D
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Give a geometric description of the set of points whose coordinates satisfy the given conditions.y2 + z2 = 9, x = -1
A. The circle y2 + z2 = 9 in the plane x = -1
B. All points more than 
units from the origin
C. The cylinder with the radius 
along the x-axis
D. The line tangent to the circle y2 + z2 = 9 at the point x = -1
Solve the problem.If sin ? = 0.8, find the value of sin ? + sin (? + 2?) + sin (? + 4?).
A. 2.4 + 6? B. 4.4 C. 2.4 D. 0.8
Choose the verbal description for f(x).f(x) = 
A. Multiply the reciprocal of the input x by 8 to obtain the output y. B. Divide 8 by the input x to obtain the output y. C. Divide the input x by 8 to obtain the output y. D. Multiply the input x by 8 to obtain the output y.
Find the amount necessary to fund the given withdrawals.Semiannual withdrawals of $220 for 7 years; interest rate is 7.4% compounded semiannually.
A. $2370.60 B. $1335.22 C. $9521.29 D. $4774.15