Please make into a equation then solve!!

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.

Brainlest answer can you find the area and circumference of a circle given the radius or diameter? if its yes or no explain why

Which of the following shows the length of the third side, in inches, of the triangle below