Solve the problem.By switching service providers, a family's telephone bill decreased from about $50 a month to about $45. What was the percent of decrease?
A. 5% decrease
B. 11.1% decrease
C. 10% decrease
D. 11% decrease
Answer: C
Mathematics
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Find the area or volume.Find the area between the graph of y = 
and the x-axis, for -? < x ? 0.
A. 2 B. 1 C. 4 D. 8
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Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Explain how this statement needs to be changed so that it is true: log3(8 + 8) = log3 8 + log3 8
What will be an ideal response?
Mathematics
Solve by completing the square.4c2 - 35 = 4c
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics