You want to survey twenty of the 150 ninth graders to get their opinion on the school's new schedule. Which of the following methods is most likely to lead to a sample that is the most representative of the 150 ninth graders?

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If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*