Answer:
24
Step-by-step explanation:
Small sample, because there needs to be more that just three people to determine if the study is true.
Lets count...
3a...thats 1 term
3ab...thats 2
7b....thats 3
-2c....movin on up to 4
-4d....and we end at 5
so this expression has 5 terms since none of the terms can be combined :)
Answer:
220
Step-by-step explanation: