Express in terms of sums and differences of logarithms.loga6x5yz4
A. loga6 + 5logax + logay + 4logaz
B. loga6 ? 5logax ? logay ? 4logaz
C. loga6 + loga5x + logay + loga4z
D. 20 loga6xyz
Answer: A
Mathematics
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÷ 
A. 
B. 
C. 
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Remove the parentheses and simplify, if possible.(3x8 - 7x4 + 7x2 + 5) + (5x7 + 4x4 - 5x)
A. 8x8 - 11x4 + 7x2 - 5x + 5 B. 3x8 + 5x7 - 3x4 + 7x2 - 5x + 5 C. 8x8 - 3x4 + 7x2 - 5x + 5 D. 3x8 + 5x7 + 3x4 + 7x2 - 5x + 5
Mathematics
Use the given information to find the equation of the circle.Center: (-4, 1); passes through the point (-2, -2)
A. (x - 1)2 + (y + 4)2 = 13
B. (x + 4)2 + (y - 1)2 = 13
C. (x - 4)2 + (y + 1)2 = 13
D. (x + 4)2 + (y - 1)2 = 
Mathematics
Find the series' radius of convergence.
A. 1 B. 6 C. ?, for all x D. 3
Mathematics