A garden store sells Kentucky bluegrass seed for $6 per pound and ryegrass seed for $3 per pound. How much rye must be mixed with 100 pounds of bluegrass to obtain a blend that will sell for $5 per pound?
A. 50 lb
B. 80 lb
C. 40 lb
D. 65 lb
E. 30 lb
Answer: A
Mathematics
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Solve the equation for exact solutions.cot-1x + cot-1(1 + x) = 
A. 
B. 
C. 
D. 
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Graph the circle.x2 + y2 = 9
A. 
B. 
C. 
D. 
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Solve the problem.For a certain computer desk, the manufacturing cost C per desk (in dollars) is C = 
where x is the number of desks manufactured.a. Find the average cost per desk when manufacturing 200 desks.b. Find the average cost per desk when manufacturing 1000 desks.
A. a. $65 b. $45 B. a. $425 b. $405 C. a. $375 b. $395 D. a. $450 b. $425
Mathematics
Arrange the group of numbers in order, from least to greatest.8.25, 8
, 8.52, 8
A. 8
, 8.52, 8
, 8.25
B. 8
, 8
, 8.25, 8.52
C. 8.25, 8.52, 8
, 8
D. 8.25, 8
, 8.52, 8
Mathematics