Solve the problem.How many different 8-letter codes are there if only the letters A, B, C, D, E, F, G, H, and I can be used and no letter can be used more than once?
A. 7
B. 4,782,969
C. 36
D. 181,440
Answer: D
Mathematics
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Find the greatest common factor of the monomials.6x5y6, 6x7y5, and 2x6y4
A. 2x4y5 B. 6x5y4 C. 3x7y6 D. 2x5y4
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Use the accompanying graph of y = f(x) to sketch the graph of the indicated equation.y = - 3f(x + 4) + 3
A. 
B. 
C. 
D. 
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Use the quotient rule to simplify.
A. x 
B. 
C. 16x
D. 
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Factor by grouping.10x2 + 8xy + 15xy + 12y2
A. (2x + 3y)(5x + 4y) B. (10x + 3y)(x + 4y) C. (2x - 3y)(5x + 4y) D. (2x + 3)(5x + 4)
Mathematics