If I have 5 oranges then Paul came to take 3 oranges and gave as twice as the oranges I was left with how many oranges do I have?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]