Answer:
n = 112/13 = 8.615
Step-by-step explanation:
(3/8) n + 5n - 30 = (17/8)n - 2
(3/8)n +5n - (17/8)n = 30-2
(13/4)n = 28
n = 28 * 4/13
n = 112/13
n = 8.615
 
        
             
        
        
        
Answer:
65 
because 22 + 63 equals 85 and 20+65 equals 85 as well. 
hope it helps :)
 
        
                    
             
        
        
        
Answer:
110 cm²
Step-by-step explanation:
The area of a triangle is 1/2 times base times height.
A = 1/2bh
A = 1/2(22)(10)
A = 110
 
        
             
        
        
        
9514 1404 393
Answer:
   70 -91i
Step-by-step explanation:
Collect terms the same way you would if i were a variable.
   (3 -91i) +67 = (3 +67) -91i = 70 -91i
 
        
             
        
        
        
Answer:
n=7
Step-by-step explanation:
6(n-3)-2n=10
6n-18-2n=10
4n-18=10
4n=28
n=7