Find the products AB and BA to determine whether B is the multiplicative inverse of A.A = 
,B = 
A. B = A-1
B. B ? A-1
Answer: B
Mathematics
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Find the Jacobian for the given transformation.
A. 1,000u B. 2,000u C. 1,000v D. 2,000v
Mathematics
Use a reciprocal identity to find the indicated trigonometric function of ?.csc ? if sin ? = - 
A. 
B. 
C. - 
D. - 
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
? 
A. 
B. 
C. 
D. 
Mathematics
Convert the measurement as indicated.45 quarts to gallons
A. 44 gal
B. 11
gal
C. 90 gal
D. 22
gal
Mathematics