He had 28.5kg but then he sold 16.93kg so that would be 28.5kg - 16.93kg which is 12.57kg, and then he sold another 9.807 so you do 12.57 - 9.807 which is 2.763kg. Are you sure this is middle school maths and not primary school?
Answer:
9 just find the Greatest common multiple
Answer: No, The goal when testing a hypothesis is to to guess a large significant level to possibly have the answer correct based upon evidence. False. It needs to be a large significant level
Step-by-step explanation: