O raio de uma circunferência mede 8 dm e considera-se π = 3,14. Qual o comprimento da circunferência em decímetros?

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Find the smallest number by which the given number should be divided to make a perfect cube(with steps or the answer will get reported) a.108 b.2187

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')