Factor by grouping.12a3 - 9a2b - 8ab2 + 6b3
A. (3a2 - 2b)(4a - 3b)
B. (3a2 + 2b2)(4a + 3b)
C. (12a2 - 2b2)(a - 3b)
D. (3a2 - 2b2)(4a - 3b)
Answer: D
Mathematics
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Use the Trapezoidal Rule with n = 4 steps to estimate the integral.
A. 
B. 
C. 
D. 
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Evaluate the requested trigonometric function using the information given. sin ? = - 
; ? < ? < 3?/2Find cos ?.
A. - 
B. - 
C. - 
D. 
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Multiply.(-5x - 11)(-5x + 5)
A. 25x2 + 30x + 30 B. -10x2 + 30x + 30 C. 25x2 + 30x - 55 D. -10x2 + 30x - 55
Mathematics
Simplify the expression. If the expression contains any variables, assume that they represent positive real numbers. Write your answer with only positive exponents.
A. 
B. x65
C. 
D. x22
Mathematics