Given matrix A, find the indicated cofactor.Find A12.A = 
A. 11
B. -11
C. 18
D. 19
Answer: B
Mathematics
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Find the area enclosed by the given curves.Find the area of the region in the first quadrant bounded by the line y = 8x, the line x = 1, the curve 
and the x-axis.
A. 6
B. 
C. 
D. 
Mathematics
Without graphing, find the maximum value or minimum value.f(x) = 
(x + 5)2 - 5
A. 6 B. 4 C. -5 D. 5
Mathematics
Name the place held by the specified digit in the given number.4 in the number 247,189
A. thousands B. hundred thousands C. ten thousands D. hundreds
Mathematics
Divide.
A. 1636 B. 1656 R 41 C. 1646 D. 1651 R 33
Mathematics