Answer:
height of the opening actually measure is 4'-9" 
Explanation:
given data 
window size = 3'-3" x 4'-9" 
solution
height of the opening should actually measure will be 4'-9" in 3'-3" x 4'-9"
because according to architectural plan height can not be more than the opening size of window 
and we can't take smaller height also 
so fit in opening window we should take same height of  height of opening window and that is here 4'-9" 
so here height of the opening actually measure is 4'-9" 
 
        
             
        
        
        
Answer:
You will reach both your arms out to break your fall and save your head.
Explanation:
It common sense you don't want your head injured. Do you?
 
        
             
        
        
        
Answer: reactants to this system,...
Explanation: