That would be a ray. A mathematical ray has an endpoint but continues forever in a direction, unlike a line which continues in both directions.
Answer:

Step-by-step explanation:

Remember that
.

When you multiply powers with the same base, add the exponents. Do this in the denominator.


When you divide powers with the same base, subtract the exponents.


Answer:
11 cm
Step-by-step explanation:
198/18=11 cm.
<span>7(500 - 1) = 3500 - 7 = 3493</span>