In tyrone's science class he is studing cells. cell a divides every 30 minutes. if tyrone starts with two cells, how many cells will he have in 3 hours?

(! ) three cylinders have a height of 8 cm. cylinder 1 has a radius of 1 cm. cylinder 2 has a radius of 2 cm. cylinder 3 has a radius of 3 cm. find the volume of each cylinder

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5