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• elle is pushing a box of mass 7.0 kilograms with the force of 25 newtons. if the force of friction is 2.6 newtons, what is the value of acceleration of the box? a. 0.7 meters/second squared b. 2.6 meters/second squared c. 3.2 meters/second squared d. 3.6 meters/second squared
  
• how is a 401k different from an individual retirement account (ira)? a 401k is a good long-term investment strategy. a 401k allows people to contribute before taxes. a 401k is created by an individual who deposits money. a 401k is created by an employer who may match contributions.
  
• which of the following is not a reason for cluster distribution of organisms? a. localized availability of resources b. herd behavior c. hive behavior d. territorial behavior
  
• fish fossils have been found in some places where there is no longer any water. sometimes, they are found on tops of mountains. what is the best explanation for why the fish fossils were found in these places with no water?
  
• what el salvadoran entity was created to secure the coffee plantations? guardia nacional the air force musicas grandes department of public works
  
• a community group is upset because drivers speed through their neighborhood. they want the local government to install a stop sign or a speed bump to make drivers slow down. which option might be the best way for them to accomplish this? a. they should go to the local government board meeting to plead their case. b. they should install their own sign even without the government’s permission. c. they should stop paying property taxes until their demands are met. d. they should have a disruptive and rowdy protest in the middle of downtown. e. they should admit defeat because they know the government will never listen to them.
  
• when an automobile manufacturer builds 200,000 units of its top selling model, the company is responding mainly to which question?
  
• which sample fairly represents the population? select two options. measuring the height of every fiftieth person on the school roster to determine the average height of the boys in the school calling every third person on the soccer team’s roster to determine how many of the team members have completed their fundraising assignment observing every person walking down main street at 5 p.m. one evening to determine the percentage of people who wear glasses sending a confidential e-mail survey to every one-hundredth parent in the school district to determine the overall satisfaction of the residents of the town taking a poll in the lunch room (where all students currently have to eat lunch) to determine the number of students who want to be able to leave campus during lunch
  
• the release of a gas from a chemical reaction is very quick. a scientist wants to measure what is released, but in small increments. what would allow the scientist to change the rate of the reaction so the results could be measured? an enzyme an inhibitor a depressant an accelerator
  
• a compound is 2.00% h by mass, 32.7% s by mass, and 65.3% o by mass. what is the correct empirical formula for this compound? hso h2s3o4 h2so4 h3s2o5