Answer:
the vertex is (-7,-90)
the focus is ( -7, -359/4)= (-7,-89.75)
semi-axis length; 1/4=0.25
focal parameter: 1/2=0.5
eccentricity;1
directrix: y=-361/4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer: 
Step-by-step explanation:
Given
Girl has traveled 6 km from her house 
She has covered  of the distance
 of the distance
Suppose the total distance is x

 
        
             
        
        
        
I’ve attached my work...
Hope it helps! Have a nice day :)
 
        
        
        
Answer:
I can answer 2-19.
Step-by-step explanation:
The first equation is x=0.
the second equation has no solution. 
 
        
             
        
        
        
Answer:
.6 or 1.5
Step-by-step explanation:
change it to decmail