Convert 3 over 8 to a percent

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Which expression converts 45 degree to radians

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).