25/x=100/20 criss cross and u will get 500/100=5 then 5 students resivs A.
Answer:
<u><em>0.24 with a line over the 24. The line means that it is repeating.</em></u>
<em>Explanation,</em>
<em>There is not much to explain it's just simple divison.</em>
Answer:
Step-by-step explanation:
Each rows contain 12 seats.
No.of seats in 12 rows = 12 *12 = 144 seats
Answer:
b. false, i think!
Step-by-step explanation:
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.