Factor by grouping.12a3 + 15a2b + 8ab2 + 10b3
A. (3a2 + 2b)(4a + 5b)
B. (3a2 + 2b2)(4a + 5b)
C. (12a2 + 2b2)(a + 5b)
D. (3a2 - 2b2)(4a - 5b)
Answer: B
Mathematics
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Decide whether the statement is true or false.At least one irrational number is not an integer.
A. True B. False
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Solve the system of equations by the substitution method.
A. (-20, 5) B. (5, -20) C. infinite number of solutions D. no solution
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Simplify. Assume that all variables represent positive real numbers.
+ 8
+ 8
A. 73
B. 72
C. 16
D. 17
Mathematics
Multiply, then simplify the product. Assume that all variables represent positive real numbers.(
- 2)(
- 3)
A. x
+ 6
B. x
- 3
- 2
+ 6
C. x
+ 6
D. x
+ 
+ 6
Mathematics