Solve the problem.Suppose the following matrix represents the input-output matrix of a primitive economy. How much of each commodity should be produced to produce 5 bushels of yams and 1 pigs?
A.
X = 
B.
X = 
C.
X = 
D.
X = 
Answer: D
Mathematics
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Add or subtract. Write the answer in lowest terms.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A telephone call from Texas, U.S.A. to Ontario, Canada costs $1.00 for the first minute and $0.53 for each additional minute. How much will a 27-minute call cost?
A. $13.78 B. $28.56 C. $14.31 D. $14.78
Mathematics
Find an equation of the parabola described.Focus at (22, 0); directrix the line x = -22
A. y2 = 22x B. x2 = 88y C. y2 = 88x D. y2 = -88x
Mathematics
Find the domain and the range for the function.
A. D: 
, R: 
B. D: 
, R: 
C. D: 
, R: 
D. D: 
, R: 
Mathematics