Solve the equation.
= 0
A. {0, 5}
B. {0}
C. {-5, 5}
D. {-5, 0}
Answer: B
Mathematics
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Subtract. Simplify, if possible.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Joan and Bob looked at their restaurant bill. Food: $43.91, 
If they split the total cost, what will Joan have to pay, rounded to the nearest dollar?
A. $26 B. $39 C. $6 D. $77
Mathematics
Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.
x = 11
A. {3.46} B. {-0.29} C. {-3.46} D. {-5.50}
Mathematics
Use the formulas below to answer the question. Round your answer to the nearest tenth if necessary.C = 
(F - 32) or C = 
F = 
C + 32 or F = 1.8C + 32.When the temperature is 20°C, what is the temperature in degrees Fahrenheit?
A. 43.0°F B. 42.4°F C. 68°F D. 93.6°F
Mathematics