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Is 21 close to 30 and 40? How many grams
of sulfur S8 must be dissolved in 100.0 g of naphthalene
1C10H82 to make a 0.12 m solution? Is memorizing words, or numbers for a memory test (ex; memorize 20 words and write them down) short or long-term memory? Easy math? The point A(-3,4) is reflected over the point (-5, 5) and it's image is point B. What are the coordinates of point B?