Answer:
126 inches
Step-by-step explanation:
If your drawing is on a 1 : 40 scale, to find the scale's height, divide the ride's height by 40. 
420 / 40 = 10.5
So the drawing will be 10.5 feet tall. 
To convert 10.5 feet to inches, multiply it by 12. 
10.5 * 12 = 126 inches
 
        
             
        
        
        
<span>Sin(-x) = -sin x for all values of x, IT IS TRUE
Because sinx is an odd function</span>
        
             
        
        
        
Answer:
yes
Step-by-step explanation:
yes yes yes yes yes yes yes yes yes yes yes
 
        
                    
             
        
        
        
Answer:
x=-5
Step-by-step explanation:
25-3x=40
-3x=40-25  (both side -25) 
-3x=15 (both side divide by 3)
x=5