Pls help i tried so many answers and none of them are right

Evaluate the expression for the given value of the variable. 5×(h+3) for h=7

What is coefficient of the term of degree of degree 5 in the polynomial below

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