I have 5 questions:1. Add the two expressions.8k + 4 and 3k + 82.Add the two expressions.6q + 1 and q + 113.Add the two expressions.−4.2x+3 and 2.5x−64.Subtract h + 3 ​​from​ 6h + 1.5.Subtract −b+3 ​​from −11b−4 ​.PLEASE ANSWER AS SOON AS POSSIBLE EVEN IF YOU ONLY KNOW SOME OF THE PROBLEMS!