Find the GCF.90 and 126
A. 6
B. 2
C. 18
D. 9
Answer: C
Mathematics
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Solve.x2 + y2 = 65xy = 8
A. (8, 1), (2, 8), (-8, -1), (-2, -8) B. (16, 1), (1, 8), (-16, -1), (-1, -8) C. (8, 1), (1, 8), (-8, -1), (-1, -8) D. (1, 1), (1, 8), (-1, -1), (-1, -8)
Mathematics
Evaluate the integral.
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A. 
B. 
C. 
D. 
E. 
Mathematics
If possible, find A2.
(Note: A2 = AA.)
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A. 
B. 
C. 
D. 
E. 
Mathematics
Use the given row transformation to change the matrix as indicated.
; 7 times row 1 added to row 2
A. 
B. 
C. 
D. 
Mathematics