Decide whether the given number is a solution of the given equation.Is 9 a solution of 4(r + 9) = 45?
A. yes
B. no
Answer: B
Mathematics
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Answer the question.What is the reciprocal of 
?
A. 
B. 
C. 
D. 1
Mathematics
Evaluate the integral.
A. 
B. 
- 
C. - 
D. 
+ 
Mathematics
Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Mathematics
Solve the problem.Find the point on the line of intersection of the planes 
and 
that is closest to the origin.
A. 
B. 
C. 
D. 
Mathematics