Write a matrix equation equivalent to the system of equations. 9x + 4y + 4z = 15 8x + 6y + 5z = 29 9x + 8y - 2z = 49
A. 
=
B.
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= 
C.
= 
D.
=
Answer: B
Mathematics
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Evaluate the expression.
A. 1440 B. 60,540,480 C. 3003 D. 2,162,160
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Find the prime factorization of the number.1298
A. 2 ? 11 ? 59 B. 11 ? 11 ? 59 C. 2 ? 2 ? 59 D. 22 ? 59
Mathematics
Solve.
= 9
A. 
B. 
C. 
D. 
Mathematics
Find the exact value of the expression, if possible. Do not use a calculator.tan (tan-1 (-6.3))
A. -3.2 B. -6.3 C. 9.4 D. 6.3
Mathematics