Multiply.(7x + 10y)2
A. 7x2 + 140xy + 100y2
B. 49x2 + 140xy + 100y2
C. 7x2 + 100y2
D. 49x2 + 100y2
Answer: B
Mathematics
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Use a calculator to find the approximate value of the composition. Round your answer to four decimal places. The expression may be undefined.cot (-arcsin (?))
A. Undefined B. -1094.771 C. 0 D. -0.0009
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Find the coordinates of a second point on the graph of a function f if the given point is on the graph and the function is odd. ? (4a, 6b) ?
A. ?(-4a, -6b) B. ?(-4a, 6b) C. ?(4a, -6b) D. ?(4a, 6b) E. None of the above
Mathematics
For the given probability density function, over the stated interval, find the requested value.f(x) = 
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A. 5
B. 
C. 10
D. 28
Mathematics