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a + b = 6, b + c = 20, and c + a = 7.5, solve for a , b and c.

mrs loya sponsers the spanish club at central middle school.the club has 8 members who are sixth graders,12 members who are sventh graders, 10 members who are eight graders. what percent of the spanish club members are seventh graders(what is your answer...

a certain spinner has equally sized slices. The odds in favor of landing on a blue slice are 2:5.What is the probablility of landing on a blue slice?

will someone give me the @#$# anwsers