Someone please help with question 6 part a) and b) plsss I’m in a test

What are potential hypotheses (explanations) regarding why there are ecological equivalents between many metatherians and eutherians? discuss your hypothesis in terms of the processes that could lead to the current ecologies and distributions of metatherians and eutherians.

Somone me i want to know what 18 hours out of 24 hours in a fraction

Find the area of an equilateral triangle with a side of 6 inches