Answer:
h = 8 feet
Step-by-step explanation:
see attached
 
        
             
        
        
        
Adds 3 each time
first term is 5
an=a1+d(n-1)
d=common difference
a1=first term
an=5+3(n-1)
18th term
a18=5+3(18-1)
a18=5+3(17)
a18=5+51
a18=56
C is answer
        
             
        
        
        
Answer:
x= -1/5
Let me know if you need an explanation :)
 
        
             
        
        
        
Answer:
No, those sides do not make a right triangle. 
i know that no links are allowed but this helped me solve those types
https://www.omnicalculator.com/math/right-triangle-side-angle
 
        
                    
             
        
        
        
- Step-by-step explanation:
-  x = 120 
- x= 65
- x= 24
 4. x= 40
<em><u>plz </u></em><em><u>mark</u></em><em><u> my</u></em><em><u> answer</u></em><em><u> as</u></em><em><u> brainlist</u></em><em><u> plzzzz</u></em><em><u>.</u></em>
<em><u>hope </u></em><em><u>this</u></em><em><u> will</u></em><em><u> be</u></em><em><u> helpful</u></em><em><u> to</u></em><em><u> you</u></em><em><u> </u></em><em><u>.</u></em>
<u>☺️</u><u />