Find each difference. write in simplest form 7/8-5/8=

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

The function f(x) = 14,600(1.1)* represents the population of a town x years after it was established. what was the original population of the town?

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?