The current world record for speed skiing is held by ivan origone who was recorded at 254.95 miles per hour. this is about nine times faster than the average skier's top speed. about how fast is the average skier's top speed?
what grade level is this? need to know so i can look in my old textbooks!
Answer from: Quest
this answer is !
Answer from: Quest
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answer: d.) the total number of protons and neutrons is 15
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