Answer: 12:14 21:18 42:36
The anwer is b because you can multiply or subraction from it
Here's the equation:
<u>4x</u> = <u>10
</u><u />4 4 You would have to divide 4 on both sides to get isolate variable.
x = 2.5
Answer:
39
Step-by-step explanation:
y=kx(k is constant of proportianiality)
39=k(1)
k=39
if my answer helps please mark as brainliest.