Question

rose brought in cupcakes for her birthday and gave one to each person in the class. this is an example of the distribution method.
first - come, first - served
majority rule
sharing

Explanation:

Sharing means distributing something among people. Here, Rose gives a cupcake to each person in the class, which is sharing. First - come, first - served is about order of arrival (not mentioned here). Majority rule is about a majority decision (not relevant here).

Answer:

sharing