12 because six people came to the party and you shake their hand
A. 7/3
HOPE IT HELLS U!!!!
Answer: 
Step-by-step explanation:
Given
Equation is 
Mila uses the first step as multiplication to make the coefficient of x, 1
Mila maybe have multiplied the whole equation by 2 i.e.

Answer:
The domain is the x-axis (the one going from side to side) The Range is the y-axis (the one going up and down) now the pair of numbers is (o,1) I hope it helps
Step-by-step explanation: