Find the surface area of a sphere with a radius of 8 inches.
?

A.


B.


C.


D.


E.

none of these.



Answer: D

Mathematics

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Find the quantity if v = 5i - 7j and w = 3i + 2j. + 

A.  + 
B. 2 + 
C.
D.

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Complete the identity.sin x (sin 2x + sin 4x) = ?

A.  cos x (cos 2x - cos 4x)
B. cos x (cos 2x + cos 4x)
C.  cos x (cos 2x + cos 4x)
D. cos x (cos 2x - cos 4x)

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Draw the angle.

A.

B.

C.

D.

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Find the sum and simplify the answer.

A. 1
B.
C.
D. 1

Mathematics