Answer:
-3
Step-by-step explanation:
i think it might be-3 because a negative and a negative equals a positive
Answer:
the first one
Step-by-step explanation:
remember, in a function, x can only have one y, whereas y can have more than one x
4/5 is your answer
Hope this helps

the fractions are set up so that each unit cancels out until its only meters/hour
you can multiply all the numerators together to get 72000 and all the denominators to get 1
72000 meters/1 hour
72000 meters in 1 hour
hope this helped