해법
해법
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Mr.Mustard said: "Eight less than three times my age is 100." How old is Mr.Mustard?What is the volume of a sphere with a 반지름 of 9.9 ft, rounded to the nearest tenth of a cubic foot?8 more than the quotient of a number and-5 is less than or equal to 6.find area of a 원형 whose radius is 7cmthe sum of three consecutive integers is-378