Perform the following operation.
?

?

A. 20
B. -30
C. 5
D. -15
E. 15

Answer: A

Mathematics

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A. {0}
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Translate the description to a variable expression.The surface area of a cube can be found by multiplying six by the length of a side squared. Write an expression for finding the surface area of a cube.

A. 6s B. (6s)2 C. s2 + 6 D. 6s2

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Use algebraic and/or graphical methods to solve the inequality. < 4

A. x <  or x > 4
B. No solution
C. -4 < x < 
D. x < -4 or x > 

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A.  ohms
B.  ohms
C.  ohms
D. -  ohms

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