Simplify. Write the answer using positive exponents only. Leave the answer in exponential notation.(2r4s)2(2r2s-4)5

A.  
B.  
C.  
D.  


Answer: B

Mathematics

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Completely factor the polynomial or state that the polynomial is prime.x4 - 18x2 + 81

A. (x - 9)2 B. (x - 9)(x + 9) C. (x2 + 9)2 D. (x2 - 9)2

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Graph the linear equation by finding its intercepts.2x + y = 6

A.

B.

C.

D.

Mathematics

Find the exact value of the expression.sin

A. - 
B.
C.
D.

Mathematics

Graph the rational function. Give the equations of the vertical and horizontal asymptotes.f(x) = 

A. x = 0; y = -2

B. x = 0; y = 2

C. x = 2; y = 0

D. x = -2; y = 0

Mathematics