Find the unknown number in the proportion. Round answer to the nearest hundredth when necessary.
= 
A. 75.91
B. 0.01
C. 20.04
D. 156.51
Answer: A
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Provide an appropriate response.Years ago, people used fountain pens. The ink was very "wet" and so a blotter was used to absorb "wet" ink left on the surface of the paper. Suppose you have a single sheet of graph paper and that you have just used your fountain pen to graph the one-to-one function f. Explain how, if the ink is "wet", you could now obtain the graph of f-1 using only your sheet of graph paper. (Hint: Fold the sheet of graph paper.)
What will be an ideal response?
Simplify the expression, if possible.log4 
A. 1 B. 0 C. -1 D. 4
Find the conjugate of the number.
A. i
B. -
C. 5i
D. 
Combine like terms and write the resulting polynomial in descending order of degree.3a7 - 4a7 + 14a4 + 15a7 - 3a4
A. 14a7 + 11a4 B. 25a11 C. Cannot be simplified D. 25a7