Step-by-step explanation:
Hi there!
Given;
Point Q is located at (-4, 6). Point R is located at (8, 6).
Note: Use distance formula.
Now;

Keep all values;

Simplify;

Therefore, the distance is 12 units.
<u>Hope</u><u> it</u><u> helps</u><u>!</u>
<span>Total Cost/Price: 529.74
</span>Total Tax: <span>39.24
</span>
Answer:
1 ornament per 3 hours
in 15 hours she will have 7.5 of them done