Simplify the rational expression. (Assume the denominator is nonzero.)
A. x - 5
B. 
C. 
D. 
Answer: B
Mathematics
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Write the standard form of the equation of the circle which has (-5, 4) and (-1, 8) as endpoints of a diameter. ?
A. ?
B. 
C. 
D. 
E. 
Mathematics
Find the exact value of the expression.cos 
cos 
+ sin 
sin 
A. 
B. 
C. 
D. 1
Mathematics
Solve the problem.A circular fountain has a statue in its center, 8 m from the edge. What is the distance around the fountain?(Use 3.14 for ? .)
A. 50.24 m B. 25.12 m C. 48.24 m D. 64 m
Mathematics
Solve.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 1 years?
A. 1,431,133 B. 1,156,398 C. 3,295,306 D. 1,234,220
Mathematics