-21 - (-13)
-21 + 13
= -8
The answer B)
Answer:
I'm sorry I didn't understand
Step-by-step explanation:
sorry
Answer:
4y
Step-by-step explanation:
To find the greatest common factor of 2 numbers, factor both of the numbers:
4: 1, 2, 4
12: 1, 2, 3, 4, 6, 12
The greatest factor here in both of these lists is 4. These numbers also both have a factor of y, so you multiply those together and get 4y.

The answer is going to be c
Answer:
a is 622
Step-by-step explanation: