Acar service charges a fixed fee of $3 plus $2 for each mile. find the cost of a 7-mile ride. let x=the number of miles.

Abank gives 6.5% interest per year. what is the growth factor b in this situation?

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

How are algebraic expressions evaluated using substitution?