Solve the equation by extracting square roots.
?

?

A.
B.
C.
D.
E.


Answer: E

Mathematics

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Find the work done by the force field F in moving a particle along the curve C.F(x, y) = (x + y)i + (x - y)j; C is the quarter ellipse, x = 6cos t, y = 3sin t,  

A.
B. - 
C.
D. - 

Mathematics

Convert as indicated.62 kg to pounds

A. 65.7 lb B. 137.8 lb C. 27.9 lb D. 157.5 lb

Mathematics

State the domain of the rational function.f(x) = 

A. (-?, 1) ? (1, ?) B. (-?, 9) ? (9, ?) C. (-?, -9) ? (-9, ?) D. (-?, -9) ? (-9, 0) ? (0, ?)

Mathematics

Simplify the complex rational expression.

A.
B.  
C.
D. x - 6

Mathematics