In order for two lines to be perpendicular, their slopes must multiply together to equal to negative one
So we do negative one divided by 2/5 to get the slope of the red line
Which is -5/2
To check, we do 2/5 multiplied by -5/2 which equals to -1 so our answer is correct
        
                    
             
        
        
        
The horizontal change is 2
        
                    
             
        
        
        
Answer:
2:1
Step-by-step explanation:
hope this helps you!!
 
        
                    
             
        
        
        
Answer:
 7/8 > 3/4
Step-by-step explanation:
Find a common denominator first and here it is 8. To get 3/4 to 8ths, you multiply the numerator and denominator by 2 to get 6/8 and 7/8 is greater 
 
        
             
        
        
        
Answer:
cr qe deobpaase r 
Step-by-step explanation: