Let x and y be functions of time t such that the sum of x and twice y is constant. which of the following equations describes the relationship between the rate of change of x with respect to time and the rate of change of y with respect to time?

Answerdatabase;

  consider  the  following scenario,  then describe  how  you might conduct  a  study using  ansrs,  convenience sample, and a  voluntary response sample.  you  are  interested  in  parents'  opinion  of the  war  in  iraq.  your population  is  parents  of  high school students.  your question  is, "do you  believe that the  war  in 

Non of them obstinate means to stubbornly refuse