Look at the picture.

For XY and ZX use the Pythagorean theorem.


The perimetero fo XYZ:

 
        
             
        
        
        
Here is your answer and an explanation
Answer: y = -2/3x
Explanation:
This can be determined by calculating the gradient of the straight line, using:
 m=ΔyΔx
 =−6−34−(−2)
 =−96
 =−32
Then we use the slope-point form of the straight line:
 y−y1=m(x−x1)
to give:
 y−3=−32(x−(−2))
 ∴y−3=−32(x+2)
 ∴y−3=−32x−3
 ∴y=−32x
 
        
             
        
        
        
Answer:
300,000,000
Step-by-step explanation:
299,792,458 
2 rounded to 9 is the answer
 
        
                    
             
        
        
        
Answer:
7, 3 and 0
Step-by-step explanation:
10, 3, 5, 7
Because the numbers are differ by prime numbers less than 10, i.e, the difference between the numbers are 7,5 and next will be 3.
8, 5, 4, 3.
The difference between the numbers are 3, 4 and similarly it will be differ by 5 which means next will be no. 3.
12, 6, 3, 0.
The numbers are differ by 6, 9 and next will be differ by 12 resulting the next no. 0.
 
        
             
        
        
        
Now subtract, then add.
4 - 2 = 2 then add 12. 
2 + 12 = 14.
Answer is 14.