Simplify.-
+ 30 ÷ (5 - (-5)) - 42
A. - 
B. -88
C. 8
D. -34
Answer: D
Mathematics
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f(x)
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Solve. Round to the nearest tenth when necessary.Hillary is standing outside of the shopping mall. She is 5.2 feet tall and her shadow measures 
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A. 2886 ft B. 106.7 ft C. 0.5 ft D. 52.7 ft
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Convert.2300 centimeters = ___ meters
A. 2,300,000 B. 23 C. 2.3 D. 230,000
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Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find XCif I = 6 - 2i, E = 5 - 5i, R = 9, and 
A. - 
- 8i
B. 
+ 8i
C. 
- 8i
D. - 
+ 8i
Mathematics