4. It takes one pipe 10 minutes to fill a tank with water. It takes a second tank 15 minutes to fill the tank. With both pipes open and the tank
empty, how long will it take to fill the tank?

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.

Can any one me with the answers to these questions asap?

Me asap! what is the slope of this line? enter your answer in the box.