In a survey, 80% of people like Coca Cola and 85% of people like Pepsi, 75% of people like both drinks. If 45 people do not like both drinks, find the total number of people in the survey.

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Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

Hii1977 cleaner shrimp are a species of shrimp that clean parasites from other organisms. fish allow the shrimp to eat the parasites in their mouth. the shrimp get a source of nutrition. the relationship between the shrimp and the fish is this association indicates that for the smaill aneser arecommensal,mutualistic,or parasitic for the begger one the anser are the shrimp and fish benefit each other , the shrimp harm the fish, or the fish do not benetit from the shrimp