Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 36 pounds of feed worth $0.48 per pound by mixing one kind worth $0.40 per pound with another worth $0.55 per pound. How many pounds of the cheaper kind should they use in the mix?
A. 25 pounds
B. 18 pounds
C. 20 pounds
D. 16 pounds
Answer: D
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Find the partial fraction decomposition for the rational expression.
A. 2x + 5 + 
+ 
B. 2x - 5 + 
+ 
C. 2x - 5 + 
+ 
D. 2x + 5 + 
+ 
Solve by completing the square.25b2 - 70b + 48 = 0
A. - 
, - 
B. 
, 
C. 
, 
D. 
, 
Solve the problem.An electronics store stocks VCRs, stereo systems, and television sets. They have limited storage space and can stock a total of at most 150 of these three machines. They know from past experience that they should stock twice as many VCRs as stereo systems and at least 30 television sets. If each VCR sells for $450, each stereo system sells for $2000, and each television set sells for $650, how many of each should be stocked and sold for maximum revenues?
A. 72 VCRs, 36 stereo systems, 42 television sets B. 60 VCRs, 60 stereo systems, 30 television sets C. 56 VCRs, 28 stereo systems, 66 television sets D. 80 VCRs, 40 stereo systems, 30 television sets
Find the perimeter. Use 3.14 for ?.
A. 50.13 in. B. 64.26 in. C. 55.26 in. D. 41.13 in.