Find the LCM of 30,42,60

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Which strategy is used by public health to reduce the incidence of food poisoning?

B. two events are dependent if the occurrence of one event changes to occurrence of the second event. true or false