Figure this problem out

In the pendulum formula t=2pi. read the problem on the picture ! ; $; $; ! ; ! ; ! ; )$; ! ; ! ; ! ; $; $; $! ; ! ; ); $; $$

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Factor the expression using the gcf. the expression 21m−49n factored using the gcf