Carlota does 2000 J of work on a machine. The machine does 500 J of work. What is the efficiency of the machine? 4%
25%
75%
400%

What steps did president wilson take to make it official declaration of war

Which of the following is a problem in the health care system of the united states? a. too many doctors in rural areas b. too many doctors who are general practitioners c. fraud d. costs that are too low

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.