Ineed to know how to get the answers

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.

What is the following sum in simplest form? square root 8 + 3 square root 2 + square root 32

Travis has decided to budget his spending money. he can spend no more than $143.15 every month. he has also decided to spend 5.2 times as much money on video games as he spends on the movies.what linear inequality describes this problem