Calculate 
.A = 
A. -37
B. -59
C. 37
D. 229
Answer: C
Mathematics
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Given matrix A, find the indicated cofactor.Find A21.A = 
A. -11 B. -14 C. 11 D. 14
Mathematics
Solve the equation.4x = 12
A. x = 4 B. x = 3 C. x = 12 D. x = 8
Mathematics
Find the area of the region specified in polar coordinates.The region inside 
and outside 
A. 25
B. 25
C. 25
D. 25
Mathematics
Perform the indicated operation
Mathematics