Answer:
The values cannot be labeled as dependent or independent since any amount can be selected for either.
Answer:
(D) y = 75x ... hope that helps!
Answer:
10 units
Step-by-step explanation:

I think that would be a right angle triangle or is that not what it is meaning
Let's simplify step-by-step.
<span><span>12<span>x^2</span></span>+<span>9<span>x^2
</span></span></span>Combine Like Terms:
<span>=<span><span>12<span>x^2</span></span>+<span>9<span>x^2
</span></span></span></span><span>=<span>(<span><span>12<span>x^2</span></span>+<span>9<span>x^2</span></span></span>)
</span></span><span>=<span>21<span>x^<span>2</span></span></span></span>