What 2 numbers with multipled is -18 and when added is -7

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.

How do you determine if an ordered pair is a solution to a given equation?

Charlie tosses five coins.what is the probability that all five coins will land tails up.