Solve and graph. Write the result in interval notation.
x ? 7
A. (?, 9]
B. (?, 7]
C. [9, ?)
D. [7, ?)
Answer: C
Mathematics
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Find the least common multiple.x2 - 6x, (x - 6)2
A. x(x - 6) B. (x + 6)(x - 6)2 C. x(x + 6)2 D. x(x - 6)2
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Evaluate the determinant.
A. 0
B. 
C. -2
D. 2
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Perform the matrix multiplication.Let A = 
and B = 
. Find AB.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract as indicated.-4 + 7 - (-18)
A. -15 B. -21 C. 21 D. -29
Mathematics