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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An angle that measures between 90 and 180° is called a(,

Find the slope and the y-intercept if there's one and the equation of the line given these two points( 3, 2) and( 3, -4)

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.