Answer:
1 draw a line of 7.5 cm YZ by scale
2 construct the 90 degree with the help of protecter
3 then cut arc of 6 cm on 90 degree of angle & mark as X 
4 join X and Z by scale
 
        
             
        
        
        
Answer:
8 hours
Step-by-step explanation:
12/2= 6
He grades 6 exams per hour
48/6= 8
it would take 8 hours to grade 48 exams
Bonus:
it takes him 10 minutes to grade an exam. That doesnt matter for this question but it's good 2 know
 
        
                    
             
        
        
        
The answer is 

steps 
#1) Try to leave a by itself by dividing any variable next to it

you can only divided these variables as all these variables in the original equation. are being multiplied. The opposite if multiplication is division. 
 
        
        
            
            
                What is the equation of the line that best fits the given data? A graph has points (1, 7), (1, 6), (2, 5), (2.5, 5), (3, 3), (4, 
                Mice21 [21]             
         
        
answer is d 
Step-by-step explanation:
hope it is helpful 
 
        
             
        
        
        
If they left 15% the tip should be 
$11.40, making the total fee $87.40