Choices for the first blank are population, example, sample, and data. and the second one it’s representative sample, single example, data point, and whole population. Help plz thanks you!

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126

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