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Height: 12 Base edge: 10 The regular square pyramid has volume of ? When will Mercury be "eaten" by the Sun? Will it be after the human race is gone in a billion or so years? What is the reaction of: NaOH +H3BO3? Find a2 and a3 for the geometric sequence. 64, a2, a3, 125/8 , ... a2 = a3 =? How do you solve 5√2 -4√18 + √36?