Answer:
13
Step-by-step explanation:
 
        
             
        
        
        
Answer:
A. Correct
B. Correct
C. Incorrect 
D. Incorrect
E. Incorrect
Step-by-step explanation:
A and B. are correct because when divided down to decimals they equal 0.5
 
        
                    
             
        
        
        
The answer is B: (x-1)(x-6)(x+6) 
        
                    
             
        
        
        
Answer: D) 155
Step-by-step explanation:
let <A, <B,<C are three angles in a triangle.
sum of the three angles in a triangle is 180degree.
<A+<B+<C=180
130+<B+<C=180 since one angle is given
<B+<C =180-130
<B+<C=50
(<B+<C)/2=25----(1)after bisecting sum of the angles
required angle =180-25=155
d is correct answer
 
        
             
        
        
        
Answer:
29.187
Step-by-step explanation:
Cos38°= base/hypotenuse
Cos38°= 23/w
w= 23/Cos38°
w= 23/0.788
w= 29.187
Hope it helps :-)