Find the specified minor and cofactor for the matrix A.M21 and A21 if A = 
A. M21 = -24 and A21 = 24
B. M21 = -24 and A21 = -24
C. M21 = -27 and A21 = 77
D. M21 = -27 and A21 = -27
Answer: A
Mathematics
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?
?
A. 9.5 B. 9 C. 31.5 D. 22.5 E. 13.5
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The demand functions for two products are given by
?
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Find the demand for each of the products if the price of the first is
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.
A. ?
units
?
units
?
B.
units
units
?
C. ?
units
units
?
D. ?
units
units
?
E. ?
units
units
?
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