Horizontal, x
straight up and down, y
if you have a 3d plane, z
        
                    
             
        
        
        
Answer:
30 students
Step-by-step explanation:
Given

 ---- percentage of those that returned their slips
 ---- percentage of those that returned their slips
Required
Determine the number of those that returned their slips
Represent the number with n
To calculate n, we simply multiply the number of students by the percentage of those that returned their slips
i.e.

Convert % to decimal


<em>Hence, 30 students returned their slips</em>
 
        
             
        
        
        
(f o g)=f(g(x))
just sub
f(g(x))
sub g(x) for x in f(x)
g(x)=2x
2x=x in f(x)
f(g(x)=f(2x)=5(2x)+1=10x+1
(f o g)=10x+1
        
             
        
        
        
Answer:
u3
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
it's 81 degrees
Step-by-step explanation:
it is equal to other corner