Find the LCD for the rational expression.
, 
A. (x - 7)(3x + 7)
B. x + 7
C. (x + 7)(3x - 7)
D. 3x - 7
Answer: C
Mathematics
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Find the indicated part of the right triangle.One leg is 7.5, and the angle opposite this leg is 50.8°. Find the other leg. Round your answer to the nearest hundredth.
A. 9.20 B. 6.12 C. 9.68 D. 4.36
Mathematics
Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C.F = ln (x2 + y2)i + tan-1 
j; C is the region defined by the polar coordinate inequalities 5 ? r ? 6 and 
A. -2 B. 0 C. 61 D. 22
Mathematics
Write in exponent form.z ? z ? z ? z ? z ? z ? 8 ? 8 ? 8
A. 82z5 B. 83z6 C. 38z6 D. 3 ? 8 ? z6
Mathematics
Find the equation of the axis of symmetry of the parabola.f(x) = x2 + 1
A. x = 1 B. x = -1 C. x = 0 D. y = 1
Mathematics