Answer:
No they do not have to be congruent.
Answer:
nope
Step-by-step explanation:
there are same sizes fine but the breadth isn't the same
Answer:
3
Step-by-step explanation:
Answer: option b nd c
Step-by-step explanation: always negative numbers will be on left side of number line and right side positive number. So th answer is option b, and when we add 8 + 8 the answer we get is 16 so the sign will be if bigger number so the answer is -16.