Answer:
angle 1=58
angle 4=122
Step-by-step explanation:
180-122=58
180-58=122
because all straight lines= 180
 
        
             
        
        
        
Answer:
377.9
Step-by-step explanation:
368.8 + 9.1 = 377.9
 
        
                    
             
        
        
        
There are no zeroes for an expression, only for equations.
Assuming equation to be
<span>−7x^2 − 91x − 280=0
-7(x^2+13x+40)=0
-7(x+8)(x+5)=0
by the zero product properties, 
x+8=0 => x=-8
or 
x+5=0 => x=-5</span>
        
             
        
        
        
Answer:
6, 5, 47, 5, 103, 5, 167, 5
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Hope this helps
PLZZ MARK BRAINLIEST