True or false: to convert 50 hectares to acres, divide 50 by 4.05 × 10-1

What is the frequency of the sinusoidal graph?

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).

This is about circle theorems. someone asap : (