Express the rational expression in lowest terms.

A.  
B. - 
C.  
D.  


Answer: C

Mathematics

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Replace the polar equation with an equivalent Cartesian equation.r2 = 48r cos ?

A. (x - 24)2 + y2 = 576 B. x = 48 C. x2 + (y - 24)2 = 576 D. (x - 24)2 + y2 = 0

Mathematics

Find the function represented by the power series. 

A. - 
B.
C. - 
D.

Mathematics

Decide whether the given statement is always true or not always true.(A ? B)' = A'? B'

A. Not always true B. Always true

Mathematics

Solve the system using Gaussian elimination. -3x - 9y + 9z =   42  9x + 27y - 27z = -126-12x - 36y + 36z =  168

A. {(x, y, z) -3- 9+ 9= 42}
B. ?
C. {(x, y, z) -12- 36+ 36= 42}
D. {(-8-9-7)}

Mathematics