Answer: d=7.5
Step-by-step explanation: 5.5=−2+d                                                                     d−2+2=5.5+2                                                                                                             d=7.5                  
 
        
             
        
        
        
Answer:
The graph would just be a vertical line as there is no slope or no change in the slope of the equation. 
Step-by-step explanation:
 
        
             
        
        
        
A=30+0.15t
B=30+0.15(200)=60
        
                    
             
        
        
        
Answer:
x^2-7x+8=0
Step-by-step explanation:
(x+1)(x-8)=0
x^2-7x+8=0
 
        
                    
             
        
        
        
Answer:
Step-by-step explanation:
In ΔJOY and ΔLAF,
If ∠O ≅ ∠J
And 
Then ΔJOY ~ ΔLAF 
By SAS property of similarity of two triangles. 
(If two corresponding sides of the triangles are proportional and angles between these sides are equal)