Answer:
 I’m sorry I don’t know the answer
Step-by-step explanation:
 
        
                    
             
        
        
        
18 + 1/2 x (9 - 4) =
18 + 1/2 x 5
18 + 2.5
20.5
20.5 is your answer.
        
             
        
        
        
█ Explanation <span>█
Let's call the missing altitude 'x'. 
</span><span>✦ To find the plane's altitude, find the tan of 30 degrees. The side opposite is going to be x, while the side adjacent is going to be 4.4 miles. 
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<span>✦ We usually write altitude in feet. 
</span>
Answer: 2.54 * 5280 ~ <span>
13,400 ft
</span><span>Hope that helps! ★ If you have further questions about this question or need more help, feel free to comment below or leave me a PM. -UnicornFudge aka Nadia</span>
 
        
        
        
         3x
= -------------
       3y<span>√2
</span>         
         x
= -------------
       y√2  
         x√2
= -------------
         2y
  
Answer is A. first choice
        
             
        
        
        
Answer:
3.25 minutes
Step-by-step explanation:
117 ÷ 36 = 117