. Each of the following has 9 as a factor except
A) 18018 B) 18 081 C) 81 180
D) 81 181

d

Step-by-step explanation:

81181÷9=9020.111111

every other number has a whole number as an answer not a decimal

exa:

)

3+11

14

step-by-step explanation:

from this example, we can see that subtracting with integers is the same as adding the opposite. we can solve using a number line or by using the saying "keep, change, change" to us solve. it is important to remember that we can subtract a negative and end up with a larger number than we started with.