What do you mean? just the number 80?
Answer:
c
Step-by-step explanation:
Given:

Aim:
We need to find the value of x.
Explanation:
Subtract 3 from both sides of the equation.


Divide both sides of the equation by 5.


Square both sides.



multiply
Answer:
120m²
Step-by-step explanation:
Area¹ = (6*5) = 30*2 surfaces = 60m²
Area² =(6*6) = 36m²
Area of Triangle =(1/2*4*6) = 12* 2 surfaces = 24m²
Total surface area = 60 + 36 + 24 = 120m²
=/120m²
3
Though there are seven people, it would only be 3 full committees. They would either find an eighth person or have a group of 3 with one of the committees.
Hope this helps!