How long will an amount of money take to double its value if it is invested at 12.5%

What are correct trigonometric ratios that could be used to determine the length of ln

(hurry! ) which expression is equivalent to the following complex fraction?

Two rigid transformations are used to map abc to qrs. the first is a translation of vertex b to vertex r. what is the second transformation? a reflection across the line containing ab a rotation about point b a reflection across the line containing cb a rotation about point c