Okay so we just need to find out the pattern... in this case the pattern is adding.. we did 1 + 4 = 5 2 + 5 = 12 we figure this one out by adding 2 and 5 twice so it look like this 2 + 5 + 5 = 12 now moving on to our next one 3 + 6 = 21 so we added 3 and added 6, three times so look 3 + 6 + 6 + 6 = 21 so now 8 + 11 = 96 because we added 8 and added 11, eight times look.. 8 + 11 + 11 + 11 + 11 + 11 + 11 + 11 + 11 = 96 so our answer to 8 + 11 is 96! hope this helps:) and don't forget 2 MARK ME BRAINLIEST! :D