Thats uhm hard how u do that
Answer:

Step-by-step explanation:
Given : 
To Find : Which represents the empirical formula for
?
Solution:
Definition of Empirical Formula - A formula that gives the simplest whole-number ratio of atoms in a compound.

To reduce it in simplest form
Divide the subscript numbers by 3
So, the resultant : 
Thus the empirical formula for
:

Answer:
1) a
2) b
3) a
Step-by-step explanation:
The total length (or perimeter) 56 feet. The equation is 12 + 12 + 16 + 16 = 56.
Answer:
(3,2)
Step-by-step explanation:
The vertex is the highest, or lowest, point of the parabola.