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:
Thank god im virtual
Step-by-step explanation:
Hi there!
»»————- ★ ————-««
I believe your answer is:
D) 
»»————- ★ ————-««
Here’s why:
- A trinomial is a expression that consists of three terms.
- A term can be a number, variable, or both numbers and variables that are multiplied together.
- Answer choice 'D' has three terms, c², 'c', and '6'. Therefore, it is a trinomial.
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.