Yes, 0.003 is 1/10 of 0.03, since 0.03/10=0.003. A good trick to answer these problem is to add another 0 while you are in the decimals, dividing by 10.
To solve this question you divide by -1 on both sides to get x by itself. This will get you the answer
Answer: 
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Explanation:
Use the pythagorean trig identity
and plug in the fact that 
Isolating sine leads to
. I'm skipping the steps here, but let me know if you need to see them.
The result is negative because we're in quadrant 4, when y < 0 so it's when sine is negative.
Therefore,

Ángel and Jayden we’re at track practice.
The track is 2/5 kilometers around.
* Ángel ran 1 lap in 2 minutes.
* Jayden ran 3 laps in 5 minutes.
How far does Jayden run in one minute?
4 1/6 km
Answer:
number 2. y=3/4x
Step-by-step explanation: