Solve the following system of equations using the addition method. If both variables cancel out, state your solution as no solution or infinitely many solutions.
x - 
y = 3
x + 
y = 3
A. no solution
B. infinitely many solutions
C. 
D. 
Answer: D
Mathematics
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Name the property that justifies the statement. All variables represent real numbers.r ? 
= 1
A. Commutative property of multiplication B. Associative property of multiplication C. Inverse property of multiplication D. Identity property of multiplication
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
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Complete.6 km = 
mi (Round to the nearest tenth.)
A. 6.4 B. 9.7 C. 3.7 D. 5.7
Mathematics