Multiply.-9y(-2y4)
A. 9y - 2y4
B. 18y5
C. -18y5
D. -11y4
Answer: B
Mathematics
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- 
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A. 
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Divide. Express the quotient as a mixed number in lowest terms. -4
÷ 3
A. -1
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C. -1
D. -1
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?
?
for the given function f(x, y) and the region R.
?
f(x, y) = 2y + x; R is the rectangle defined by 
and 
.
?
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B. 
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