Two high-speed ferries leave at the same time from a city to go to the same island. the first ferry, the cat, travels at 31 miles per hour. the second ferry, the bird, travels at 21 miles per hour. in how many hours will the two ferries be 20 miles apart?

Which equation represents a proportional relationship that has a constant of proportionality equal to 1/5

That table shows measurements (in invhes$ from cubes with different side lengths. which pairs of variables have a linear relationship? check all that apply

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.