There is no choice on your list that must represent an odd integer.
If 'z' is an even integer, then (z-1) and (z+1) must both be odd integers.
Answer:

Step-by-step explanation:
let blank be O


0.99 is the answer it greater than 0.1
Answer:
1+7+8+8
Step-by-step explanation:
Answer:
answer is option D : 42m+12