Multiply. Simplify, if necessary.-  ? 

A. - 
B.
C.
D. - 


Answer: C

Mathematics

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Find ?f.f(x, y, z) = (x3y2 - y6z3)e-z2

A. F = 3x2y2e-z2i + (2x3y - 6y5z3)e-z2j + y2ze- z2[y4z(2z2 - 3) - 2x3]k B. F = 3x2y2i + (6y5z3 - 2x3y)j + (2z2 - 3)y6z2k C. F = 3x2y2e-z2i + (2x3y - 6y5z3)e-z2j + (3 - 2z2)y6z2e-z2k D. F = 3x2i + (6y5 - 2y)j + 2z4e-z2k

Mathematics

Find the distance between points P1 and P2.P1(5, 7, -3) and P2(11, 4, -1)

A.
B. 5
C. 6
D. 7

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Find both the perimeter (P) and the area (A) of the given figure.

A. P = 38 m; A = 90 m2 B. P = 40 m; A = 100 m2 C. P = 40 m; A = 90 m2 D. P = 20 m; A = 9 m2

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Complete.10,560 ft =  mi

A. 3 B. 52.8 C. 2.5 D. 2

Mathematics