How long of a ladder is needed to reach a window sill 50 feet above the ground if the ladder rests against the building making an angle of 75∘ with the ground? Round your answer to the nearest foot and do not include units.

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Answer:

The guitar's volume was amplified, but it was hard to hear the notes since it was so loud.

What word or phrase is a signal word that a context clue might be nearby to help determine the meaning of "amplified"?

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