For what value of the variable : is the value of 9-y twice as much as the value of y?

What is the value of y? round to the nearest tenth

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

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