Two people together can do a certain job in twenty minutes. If one of them can do the job alone in forty-five minutes, how long will the other person take to do the job alone?

If a || b and e || f , what if the value of y ?

What are the exclude value of mn+3m

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.