Answer:
80
Step-by-step explanation
Well every triangle has to equal 180 degrees. 
So you would add the two degrees you already have, which on this one you would get 100.
Then, you would subtract that number from 180 to get 80.
Hope this helps you!!
 
        
                    
             
        
        
        
Answer:
interest = $60
Step-by-step explanation:
use the formula i = prt
p = $600
r = 5%
t = 2 years
 
        
                    
             
        
        
        
Answer: A) 150
You put all the numbers in numerical order, than you get the middle number of both halves which will be 300 and 450, so you find the difference of that which is 150