Evaluate using any method.
Mathematics
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Write the improper fraction as a mixed number or a whole number.
A. 195
B. 
C. 28
D. 197
Mathematics
Give all solutions of the nonlinear system of equations, including those with nonreal complex components.2x2 - 2y2 = 102x2 + 4y2 = 34
A. {(-3, -2), (-2, -3)} B. {(3, -2), (3, 2)} C. {(3, 2), (-3, 2), (3, -2), (-3, -2)} D. {(3, 2), (2, 3), (-3, -2), (-2, -3)}
Mathematics
Add.30 + 100 + 80
A. 21 B. 93 C. 210 D. 110
Mathematics
Simplify the rational expression. Find all numbers that must be excluded from the domain of the simplified rational expression.
A. 
, x ? 7
B. 2x2 - 26, no restrictions on x
C. 2x - 6, x ? 7
D. 
, x ? 7
Mathematics