L. Arrange the following integers from the least to the greatest. 1. 2.-8.0.-6.9.6 2.-20.-7.-8.-3.-5 3.-10.-4.8.8.-5.9 4. 11.-9.13.-15.-8.6 5. 12.0.-13.16.-7.1 I. Add the following integers. 1. (-15) + ( +47) = 2. (+63) + (-49)= 3. (-99) + (-113)= 4. f+ 174) + (+47) = 5. f-237)+ ( +154) =​