Which is closest to 1?
a) 1.2
b) 0.1
c) 0.01
d) 0.9

It’s d

Step-by-step explanation:

It’s the only number that’s .1 away from one which is therefore the closest to 1

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.