Answer:
A
Step-by-step explanation:
Basically, this is an observational study because the researcher does not apply any treatment.
It's not an experiment because there is no experimentation involved. :)
It's not double-blind because in that case the researcher would have to apply something to two kinds of groups. one aware one the other not. not the case.
It's not D because The observations are comparing two kinds of subjects and they are not looking for a cause and effect.
Answer:
Yes they are proportional because he is selling cars at the same rate
Step-by-step explanation:
" always " is the wrong word....should be sometimes
usually the LCM is greater....
example : 2 and 4.....LCM = 8, GCF = 2
3 and 6....LCM = 12, GCF = 3
However, if ur 2 numbers are the same...
2 and 2.....LCM = 2 and GCF = 2
4 and 4....LCM = 4 and GCF = 4
Answer:
48x
Step-by-step explanation:
Add the numbers together and x is the variable so put x by it because you do not know the value of x
3 ( C ) should be the correct answer choice !!
