Multiply.(0.4x + 0.6)2
A. 0.16x2 - 0.48x - 0.36
B. 0.16x2 + 0.48x + 0.36
C. 0.16x2 - 0.48x + 0.36
D. 0.16x2 + 0.36
Answer: B
Mathematics
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Simplify.
A. 
B. 
C. 
D. 
Mathematics
Find the integral.
A. 
B. 
C. 
D. 
Mathematics
For problems 10-12 evaluate the partial sum of the given number of terms of the arithmetic sequence. Evaluate the sum of the first 50 integers greater than zero.
A. 1275 B. 1300 C. 1375 D. 1250 E. None of these
Mathematics
Write a matrix equation equivalent to the system of equations. 9x + 4y + 4z = 15 8x + 6y + 5z = 29 9x + 8y - 2z = 49
A. 
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B.
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C.
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D.
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Mathematics