What molecule is represented by the molecular model shown below? Glucose, Adenosine Triphosphate, Adenosine Diphosphate, or Starch

Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil

Which ordered pair is a solution to the system of linear equations? 2x + 3y= 6 –3x + 5y = 10

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?