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Questions in Grade College

[Done] Find the differential of the function. [tex]$d y=\frac{1}{x^7-8 x}$[/tex]

[Done] Which of the following causes a chemical change? A. metabolizing fat B. winding an alarm clock C. slicing a tomato D. pumping gasoline E. digging a hole

[Done] What is the role of the independent variable in an experiment? A. Manipulated by the researcher B. Measure outcome C. Control data D. Random factor

[Done] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Done] Write an equation for a line perpendicular to [tex]$y=-5 x+2$[/tex] and passing through the point (-15,1). [tex]$y=$[/tex]

[Done] What method should be used to ensure that you have taken the correct medication package from the storage area? A. The rapid-check method B. The peer-check method C. The random-check method D. The three-check method

[Done] What is a key characteristic of democratic leadership? A. Strict control by the leader B. Group involvement in decisions C. Focus on tasks only D. Avoidance of conflict

[Done] What is the benefit in reaching the absolute advantage in the production of one good? A. to produce more units of a good than other countries B. to produce fewer units of a good than other countries C. to produce more units of a good while using fewer resources D. to produce fewer units of a good while using fewer resources

[Done] What are the factors of [tex]$x^2-64$[/tex]? A. Prime B. [tex]$(x-4)(x+16)$[/tex] C. [tex]$(x-8)(x-8)$[/tex] D. [tex]$(x+8)(x-8)$[/tex]

[Done] Subtract. $\frac{3}{10}-\frac{2}{5}=$