Container has 28% hydrogen gas and 72%of helium gas at 760 torr pressure. calculate the partial pressure of helium gas ?

m i think it the way its shaped

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?