Answer:
A. 8
Step-by-step explanation:
sqrt{64} is 8 (8*8)
The correct answer : $8.50 / 1 hour
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Answer:
The presence of a black hole can be inferred through its interaction with other matter and with electromagnetic radiation such as visible light. Matter that falls onto a black hole can form an external accretion disk heated by friction, forming quasars, some of the brightest objects in the universe.
Step-by-step explanation:
