Answer:3
Step-by-step explanation:
Given
There are total 40 students in a class
No of students with Pierced Nose n(N)=7
No of students with Pierced ear n(E)=36
and we know using sets

where
Students either nose or ear Pierced
no of students having both nose and ear pierced


Answer:
it's B it could also be written as y=3x+30
Step-by-step explanation:
Answer:
Option D :
is the correct answer.
Step-by-step explanation:
Given rational expression is:

In the first step of solving the rational expression, we will multiply the nominators and denominators.


Now we will solve the alike terms.

The product of rational expression is 
Hence,
Option D :
is the correct answer.
88
Cause I fully don’t know
Answer:
542-396
Step-by-step explanation:
by using the process of elimination you can see that 4,7,or 55 could be used for your first answer. so you use 396 you and subtract it from the previous answers if you didn't get the answer go to the next one until you get the right answer