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• the times for erin’s five laps around the track were 56.6 seconds, 57.9 seconds, 57.5 seconds, 65.3 seconds, and 65.7 seconds. using rounding to the nearest whole second as the only estimation technique, what is the total estimated time for erin’s five laps in seconds?
  
• a triangle has sides with lengths of 3 miles, 4 miles, and 5 miles. is it a right triangle?
  
• select the correct answer. robyn has been working out five days a week for the past six months. she is now planning to take a month-long break from the gym. which training principle should robyn consider before taking this break? a. balance b. overload c. reversibility d. specificity
  
• one disadvantage of nuclear power is that the waste produced is dangerous. the waste is dangerous because it is what?
  
• the idea of manifest destiny included all of the following except the belief that
  
• explain three ways that a river reshapes earth’s land surface. be sure to explain how erosion, weathering, or deposition of rock or soil contribute to the change.
  
• do you think experiencing muscle fatigue is a way for the body to maintain homeostasis? explain your reasoning.
  
• lichen is a composite organism made from the symbiotic association of algae and fungi. the algae undergo photosynthesis and provide food for the fungi. the fungi provide anchorage and protection for the algae. algae and fungi share a relationship. however, some fungi cause diseases in humans. these fungi are .
  
• what facts about energy can be inferred from the image? check all that apply. the candle is giving off light. thermal energy flows from the hands to the candle. the candle is doing work. chemical energy from the candle is converted to thermal energy. thermal energy flows from the air to the candle.
  
• if a nation's real gdp increases from $100 billion to $106 billion and its population jumps from 200 million to 212 million, its real gdp per capita will