If subjects are assigned for the purpose of comparison they are part of a(n) A. Placebo B. Experiment C. Control group D. Experimental uni

idk i would have to be there to under stand it

step-by-step explanation:

idk i would have to be there to under stand it

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.

27 +27 or 27times 2=54

the diffrence is 0