Answer:

Step-by-step explanation:

12 1/2 = 12.5
2.5mm = 2.5 cm
So the answer would be 15 cm
KJ^2=6^2+3^2
KJ=the square root of 36+9
KJ=square root of 45
kJ= 3 times the square root of 5
The answer is D
~Hello There!~
12/2 = 6
24/4 = 6
36/6 = 6
etc.
As you can see, y is always 6 times the value of x.
Therefore, the equation would be y = 6x
Hope This Helps You!
Good Luck :)
Have A Great Day ^_^
- Hannah ❤
4x is the proportionality