fill in the missing value and describe the number pattern 5,4,8,7_ ,_ what's is the pattern 2. 8,14,9,15,_ _ what's the pattern 3. 6,14,9,17_ _ what is the pattern 4. _,_15,8,21,24, what the pattern 5. 4,6 _ _,8,9,10,11 what is the pattern 6. 8,11,_,_20,23 what is the pattern