a 9 gram sample of a substance thats used for drug research has a K-value of .1453. whats the substances half life in days

For which pair of functions is (gof)(a)=|a|-2?

Can someone me and do the problem plz so i can understand it more better

Abc will undergo two transformations to give aa'b'c' which pair of transformations will give a different image of aabc if the order of the transformations is reversed? a. a rotation 90' counterclockwise about the origin followed by a reflection across the y-axis b a translation 5 units down followed by a translation 4 units to the right c. a reflection across the x-axis followed by a reflection across the y-axis a rotation 180'clockwise about the ongin followed by a reflection across the y-axis reset next 2 omentum all rights reserved o atk me anything o o e