for an expression or relation to be a function, it must not have any x-coordinate values repeated, let's check this one

The fraction equal to .66 is <span>33⁄50</span>
Hey user!
your answer is here...
laws ( rules ) of reflection are :-
• angle of incidence is equal to angle of reflection.
• the incident ray, Normal ray and reflected ray all lie in same plane.
cheers!!
Answer:2/5
Step-by-step explanation: