The lcm of two numbers is 30. one of the numbers is 10. what could the other number be?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Having a hard time understanding this question (see attachment).