35 minutes yes tag it’s let me know if I’m wrong
        
             
        
        
        
Answer:
6, 9, 12, 15, 18
Step-by-step explanation:
Finding multiples is simple, count by 3 for as many times as you can and there are your multiples.
 
        
             
        
        
        
16-gon = 2,520 deg
2,520 divided by 16 = 157.5
157.5 deg 
        
             
        
        
        
Answer:

<h3><u>2775</u> is the right answer.</h3>
 
        
             
        
        
        
Here's the graph of your equation, instructions on how to plot is in the image. if there's a second line equation, you could use the method shown to plot that too, and the x and y values of the intersection point would be your answer. 
you could also use algebra to simultaneously solve the two equations to obtain x and y as well, feel free to ask!
hope that helps :) sorry it's not a definite answer