Simplify the expression. Assume that all variables are non-negative.

A. x
B. x9
C.
D. x11


Answer: B

Mathematics

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Perform the conversion. Round to the nearest tenth when necessary.11.3 lb to kg

A. 24.9 kg B. 0.4 kg C. 5.1 kg D. 320.4 kg

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Add or subtract. Simplify the answer. + 

A.
B.
C.
D.

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Answer the question.Find the direction in which the function is increasing or decreasing most rapidly at the point Po.f(x, y) = xy2 - yx2, Po(-1, 2)

A.  i +  j
B.  i +  j
C.  i +  j
D.  i +  j

Mathematics

Write the fraction in simplest form.

A.  
B.
C.
D.  

Mathematics