Which of the following is equivalent to the given expression?

What are “like terms”? why can we only add like terms?

Can some one me with these questions

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.