Write the system of equations represented by the augmented matrix.
What will be an ideal response?
Mathematics
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Find the LCD of the pair of fractions. Then build up each fraction to have that common denominator. 
and 
A. LCD is 20, 
and 
B. LCD is 20, 
and 
C. LCD is 20, 
and 
D. LCD is 5, 
and 
Mathematics
Perform the division.(x4 - 256) ÷ (x + 4)
A. x3 + 4x2 - 16x + 64 B. x3 - 4x2 + 16x - 64 C. x2 + 4x + 16 D. x3 + 4x2 + 16x + 64
Mathematics
Determine the domain of the variable x in the expression.f(x) = 
A. {x|x ? -8} B. {x|x ? 0} C. {x|x ? 8} D. all real numbers
Mathematics
Write the expression with only positive exponents. Assume all variables represent nonzero numbers. Simplify if necessary.(4p)-2
A. 
B. 
C. 
D. 
Mathematics