Find the product.(5 + 3x)2
A. 25x2 + 30x + 9
B. 25 + 30x + 9x2
C. 25 + 9x2
D. 25 + 30x + 3x2
Answer: B
Mathematics
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A. (-?, 0) B. (-3, 0) C. (-3, 3) D. (3, ?)
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Solve the problem.A square sheet of paper measures 45 centimeters on each side. What is the length of the diagonal of this paper?
A. 4050 cm
B. 90 cm
C. 45
cm
D. 45 cm
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Find the absolute value.
A. -120 B. 0 C. 120 D. 240
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Add.(9a2 - 2b2 - c2) + (4a2 - 7b2 - 4c2)
A. 4a2b2 - c2 -4 B. 4a2 - 5c2 C. 13a4 - 9b4 - 5c4 D. 13a2 - 9b2 - 5c2
Mathematics