Find the intersection.{a, b, c, d, e} ? {f, g, h, i, j}

A. {a, b, c, d, e}
B. ?
C. {e, f}
D. {a, b, c, d, e, f, g, h, i, j}


Answer: B

Mathematics

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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 4 ? r ? 8 and 

A. 80 B. -8 C. 96 D. 0

Mathematics

Solve the system graphically.

A. (1, 20), (-3, 12), 
B.
C. (1, 20), (-3, 12)
D. (1, 21)

Mathematics

Identify the triangle as scalene, isosceles, or equilateral.

A. Scalene B. Equilateral C. Isosceles

Mathematics

Find an equation of an ellipse satisfying the given conditions.Vertices: (4, -4) and (4,8); endpoints of minor axis: (9, 2) and (-1, 2)

A.  +  = 1
B.  +  = 0
C.  +  = 1
D.  +  = 1

Mathematics