Please help with an explanation, i don't get it!

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

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

How many 2/5s are in 1 and 1/2 plz someone me right now