50*8=400
400+175=575
it subtracted 575 on the last round
        
             
        
        
        
Answer:
click on the thanks button
 
        
             
        
        
        
B. For each hour he works, his earnings go up by $8
        
             
        
        
        
An extraneous solution doesn't belong to the domain.
        
             
        
        
        
So a triangle is always 180°.
If one angle is 90° then we can subtract that from the 180° to find out how much the other two will be.
180°-90°=90°
So the other two angles added together will have to equal 90°.