Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 4
- 5
B. 4
+ 20
C. 
D. 4
- 20
Answer: B
Mathematics
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Provide an appropriate response.Write an "area" word problem for which finding the solution would involve evaluating the double integral
What will be an ideal response?
Mathematics
Solve the problem.Find the length of x in the diagram below.
A. x = 
- 3
B. x = 5 - 1
C. x = 
- 3
D. x = 
Mathematics
Evaluate the logarithm.log9
A. -2 B. 9 C. -9 D. 2
Mathematics
Write the decimal as a fraction in simplified form.28.99
A. 28
B. 289
C. 2
D. 2899
Mathematics