What's the GCF of 48 and 108

With this question! what is process of elimination? ? p.s. my brothers acc got banned so add his new one @ yamauchiyamyam17

Eliza wants to make $10,000 from her investments. she finds an investment account that earns 4.5% interest. she decides to deposit $2,500 into an account. how much money will be in her account after 14 years?

I'm a polygon i have no parallel lines i am formed 3 line segments i have one right angle two of my angles are angles what am i