If LM = 5 and MN = 5, what is LN

Find the third,fifth and seventh term sequence described by each rule a(n)=n+1

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Evaluate the expression. (9 + 5)(3 + 2)0