Answer:
on my knowledge i can tell you the methods used to solve it which are;
Step-by-step explanation:
<h3>Elimination method.</h3><h3>Substitution method.</h3><h3>Graphical method.</h3>
Answer:
<u><em>Rotation and Revolution are two motions of the earth.</em></u>
Step-by-step explanation:
The description is in the image below: