You have 3,840 grams of a radioactive kind of yttrium. How much will be left after 10 months if its half-life is 2 months?

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

Express in the simplest form: (x^2+9x+14/x^2-49) / (3x+6/x^2+x-56)