Let's simplify step-by-step.
<span><span>9−x</span>−<span>(<span>7+x</span>)
</span></span>Distribute the Negative Sign:
<span>=<span><span>9−x</span>+<span><span>−1</span><span>(<span>7+x</span>)
</span></span></span></span><span>=<span><span><span><span>9+</span>−x</span>+<span><span>(<span>−1</span>)</span><span>(7)</span></span></span>+<span><span>−1</span>x
</span></span></span><span>=<span><span><span><span><span><span>9+</span>−x</span>+</span>−7</span>+</span>−x
</span></span>Combine Like Terms:
<span>=<span><span><span>9+<span>−x</span></span>+<span>−7</span></span>+<span>−x
</span></span></span><span>=<span><span>(<span><span>−x</span>+<span>−x</span></span>)</span>+<span>(<span>9+<span>−7</span></span>)
</span></span></span><span>=<span><span>−<span>2x</span></span>+2
</span></span>Answer:
<span>=<span><span>−<span>2x</span></span>+<span>2</span></span></span>
Answer:
476
Step-by-step explanation:
THAT SHOULD BE 28*17 Wich is 476
It is C because 4 pi r^2 is the surface area equation. 4 times 6 squared= 144. 144pi = surface area.
