Perform the indicated operations and simplify.
- 
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the expression for the given value or values.- 
, for y = -35, z = -7
A. -5 B. 7 C. -7 D. 5
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Use the graph to determine whether the function is one-to-one.
A. No B. Yes
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Find the principal square root.
A. 100 B. 10 C. -10 D. 50
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Solve the system by graphing.
A. (1, 5) B. (1, 1) C. Infinitely many solutions D. Inconsistent
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