Convert 2 liters of oxygen to moles

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?

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?