determine the most appropriate way to organize and present the following data
a.A comparative study on the enrollment of the private high schools in albay during the school year 2012-2013.
type of graph:________
b.the expenses of your family for the month of April.
type of graph:_________
c.A survey on each number of Mangrove trees planted by the 4th year students as one of the outreached activities in their SIP (Social Involvement Program)
type of graph:__________​