Find the value of 21 + 4(3^2-5).
a.25
b.37
c.100

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?