Write the number 29085 in expanded form.

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

What does the relationship between the mean and median reveal about the shape of the data

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).