Rationalize each denominator and simplify.
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?
Your answer should be a radical expression.
What will be an ideal response?
Mathematics
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Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 70?
B. 84?
C. 56?
D. 
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Mathematics
Write as a percent.
A. 60% B. 6% C. 600% D. 0.6%
Mathematics
Without graphing, determine whether the graph of the quadratic function opens up or opens down.f(x) = - 
x2 + 4x - 7
A. opens down B. opens up
Mathematics
Find the vertex and axis of symmetry of the graph of the function.f(x) = x2 + 4x + 3
A. (2, 1); x = 2 B. (-2, 1); x = -2 C. (2, -1); x = 2 D. (-2, -1); x = -2
Mathematics