Find the product.(x - 23i)(x + 23i)
A. x2 + 529
B. x2 - 529
C. x2 - 46x - 529
D. x2 + 46x + 529
Answer: A
Mathematics
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Find the quotient.0.69 ÷ 0.001
A. 690 B. 0.69 C. 6900 D. 69
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Find the area if the distance between two adjacent dots in a row or column is one unit.
A. 12 B. 14 C. 16 D. 8
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Solve the system by the method of your choice. Identify systems with no solution and systems with infinitely many solutions, using set notation to express their solution sets.
+ 
= 1
- 
= 0
A. 
B. 
C. 
D. ?
Mathematics
Find the determinant of the matrix below.
A. 
B. 
C. 
D. 
E. 
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