Find the product.(7x + 4y)2
A. 49x2 + 16y2
B. 7x2 + 16y2
C. 7x2 + 56xy + 16y2
D. 49x2 + 56xy + 16y2
Answer: D
Mathematics
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Find the length of the missing side in the right triangle.
A. 6
B. 8
C. 6
D. 8
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Solve the problem.In a survey about the number of siblings of college students, the following probability table was constructed: 
What is the probability that a student has at least 2 siblings?
A. 0.41 B. 0.59 C. 0.8 D. 0.2
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Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. 6m6n3
B. 6m5n3
C. 6m7n4
D. 6m6n3
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Solve. 5x – 2 = -11 – 4x
A) x = 1 B) x = -1 C) x = 7 D) x = -4 E) x = -7
Mathematics