Solve the system by substitution. If the system is inconsistent or has dependent equations, say so.x + y = 1y = 2x - 5
A. {(-1, 2)}
B. {(1, 1)}
C. {(3, -2)}
D. {(2, -1)}
Answer: D
Mathematics
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Divide. Simplify, if possible.
÷ 
A. 
B. 
C. 
D. 
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Classify by type (cardinal, ordinal, or nominal) the number that appears in the sentence.The physician prescribed five different types of pills for Aunt Martha.
A. Nominal B. Cardinal C. Ordinal
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Determine the exact value of 
.
A. 
B. 
C. 
D. 1
E. -1
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Multiply.(3x + 2)(3x - 2)
A. 9x2 + 12x - 4 B. 9x2 - 12x - 4 C. 3x2 - 12x - 4 D. 9x2 - 4
Mathematics