Fiona asked her team to suggest ways of surveying the population of their middle school to find out how many students use bottled water. Which student has the method that is most representative of the school’s population?
A. Raina suggested that she ask everyone in her math class on Friday.
B. Miya suggested that she ask students sitting in the first row of her classes on Friday.
C. Ryo suggested that he ask the basketball players at his practice on Friday.
D. Amir suggested that he ask every tenth student as he or she walks into school in the morning.

Aquadrilateral has exactly one pair of parallel sides. which name best describes the figure?

Which of the following statements are true? (select all that apply.) a quasi-static process is one in which the system is never far from being in equilibrium. when a system can go from state 1 to state 2 by several different processes, the amount of heat absorbed by the system will be the same for all processes. the internal energy of a given amount of an ideal gas depends only on its absolute temperature. when a system can go from state 1 to state 2 by several different processes, the work done on the system will be the same for all processes. when a system can go from state 1 to state 2 by several different processes, the change in the internal energy of the system will be the same for all processes. for any substance that expands when heated, its cp is greater than its cv.

I'm confused on how to solve the triangle. can someone me ?