X=9
3x-12=x+6
2x-12=6
2x=18
X=9
Answer:
uuhhhhh
Step-by-step explanation:
hmmmm

Answer:
Not completely sure if this is correct but I got
a: 12
b: 24sqrt2
h: 8sqrt2
Step-by-step explanation:
Answer:
A rational number because it's negative it can't be natural and cuz it's fraction it can't be whole nor integers.
<em>p.s. thanks to salma1148 for the answer</em>