Answer:

Step-by-step explanation:
<u>Step 1: Distribute</u>
<u />



<u>Step 2: Add 10x to both sides</u>
<u />

<u>Step 3: Subtract 6 from both sides</u>
<u />

<u>Step 4: Divide both sides by 7</u>
<u />

Answer: 
Answer:
f(g(-7))
Step-by-step explanation:
Answer:
see explanation
Step-by-step explanation:
To prove that BC ≅ AD, that is that BC = AD
You would need to prove the lengths are the same.