Answer:
X+Y=26
X-Y=12
Step-by-step explanation:
fiction books= X
non fiction books= Y
then,
fiction books= X
non fiction books = X-12
but Y= X - 12
from. the statement,
X+Y = 26
X-Y=12
I assume you mean 3*3*3*5*5 it would be 3^3 times 5^2. thats as simplified as i can make it. hope this helps! if anyone knows a better way to put these please post.
Answer: B. Being around cigarette smokers and developing heart disease .
C. Independent. Being around cigarette smokers does not cause heart disease.
Step-by-step explanation:
Given : A study found that there is no relationship between being around cigarette smokers and developing heart disease.
i.e. The two events here are Being around cigarette smokers and developing heart disease .
Since there is no relationship between the above two events.
Being around cigarette smokers does not cause heart disease.
It means that the two events are not dependent on each other i.e. they are independent.