Answer:
y=6-3x
Step-by-step explanation:
first subtract 9x from 9x+3y=18
-9x -9x
so you get 3y=18-9x or 3y=-9x+18 then divide both sides by 3
so you get y=6-3x hope this helps :)
Answer:
1
Step-by-step explanation:
you move the decimal to the right twice, so it goes from .01 to 1.00 if that makes sense :)
Answer:

Step-by-step explanation:
OPQ is a right angle triangle.
<u>Using Pythagoras</u>

<u>Using quadratic formula</u>
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OR
(Length can't be negative)
∴ 