Answer:
28.2
Step-by-step explanation:
91 × 18 = 1638
1638 ÷ 58 = 28.2413793103
rounded to 1 significant figure = 28.2 as 4 rounds down 
hope this helps 
 
        
             
        
        
        
Answer:
answer : B
Step-by-step explanation:
( x + 7) (3x -2) = 3x² - 2x +21x -14
( x + 7) (3x -2) = 3x²+19x -14
 
        
             
        
        
        
Answer:X=4
Step-by-step explanation:
Congruent triangles method
AB/DB=BC/EC
10-x+x/10-x=3+2/3
10/10-x=5/3
30=50-5x
30-50=-5x
-20=-5x
X=4
 
        
             
        
        
        
Answer:
-60-14x
Step-by-step explanation:
Distribute the 3: -3(20+5x)+x => 20(-3)+3(-5x)+x => -60 -15x+x
Simplify: -60-15x+x => -60-14x
 
        
             
        
        
        
The question is incomplete