Solve the system of equations by elimination.
x - y = 10
x + 2y = 11
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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A. 1010 B. 110 C. 11,000 D. 1100
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Find the slope of the line.x = 10
A. 0 B. Not defined C. 1 D. 10
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A. -2 B. 2 C. 0 D. 1
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Find the expression.v = -4i + 7j
Find 
.
A. -2
B. 2i
C. 2
D. 2
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