Answer:
Triangle.
Step-by-step explanation:
Minus 9x from both sides
-3y=-9x+12
divide both sides by -3
y=3x-4
The number is X
(1/3)x -6=8
Answer:
40:15 simplified is, (i divided by 5) 8:3
Ratio is when you have a number to a number just put them together but put a colon between them to make it a ratio, thats all ;D. It's basically a fraction.
But you can also simplify ratios just like fractions because they are fractions!
