The amount 5th grade students grow during the school year is normally distributed with a mean of 4 inches and a standard deviation of 1 inch as shown below. Out of 1,000 5th graders, how many grow between 3 inches and 7 inches?

817

668

803

839​

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.

Ihave trouble finding the nth term of a linear sequence

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.