Solve using matrices. x - y + 4z = 33x + z = 2 x + 5y + z = 27
A. (0, 5, 2)
B. (5, 2, 0)
C. (2, 0, 5)
D. (2, 5, 0)
Answer: A
Mathematics
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Find the missing dividend or divisor. 
= 2x7 + 5x2 + x
A. 2x8 - 5x3 + x2 B. 2x8 + 5x3 + x C. 2x8 + 5x3 - x2 D. 2x8 + 5x3 + x2
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Find the derivative of the function.
?
?
A. 
B. 
C. 
D. 
Mathematics
Add.
A. 98 B. 108 C. 107 D. 109
Mathematics
Evaluate the expression using the given values.r - 7u - 
(s - 6t); r = -0.5, s = 5, t = -5, u = 3.5
A. - 20 B. -31 C. -18 D. -32
Mathematics