1) x=9, because we can use the Pythagorean theorem, x^2 + 144 = 225, x^2 = 81
2) 
, because 6^2 +6^2 = 72, 
3) 
, because 
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Answer:
a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa)
Explanation:
Using a pendulum that hit a bell upon reaching its outer limits, Wundt demonstrated a 10th of a second delay between hearing the bell and noting the position of the pendulum (and vice versa), and it was during that very brief period that a mental process occurred.
<span>Despite the fact that
China's agriculture output is the biggest on the planet, just around 15% of its
total land zone can be used to cultivate. China's arable land, which makes
about 10% of the total arable land on the planet, supports more than 20% of the
total populace.</span>
