The senior classes at High School A and High School B planned separate trips to the county fair. The senior class at High School A rented and filled 1 van and 7 buses with 197 students. High School B rented and filled 12 vans and 1 bus with 123 students. Each van and each bus carried the same number of students. Find the number of students in each van and in each bus. Van: 27, Bus: 8
Van: 27, Bus: 8

Van: 8, Bus: 27
Van: 8, Bus: 27

Van: 9, Bus: 27
Van: 9, Bus: 27

Van: 7, Bus: 29
Van: 7, Bus: 29
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Use a calculator to verify that σ(x) = 62, σ(x2) = 1034, σ(y) = 644, σ(y2) = 93,438, and σ(x y) = 9,622. compute r. (enter a number. round your answer to three decimal places.) as x increases from 3 to 22 months, does the value of r imply that y should tend to increase or decrease? explain your answer. given our value of r, y should tend to increase as x increases. given our value of r, we can not draw any conclusions for the behavior of y as x increases. given our value of r, y should tend to remain constant as x increases. given our value of r, y should tend to decrease as x increases.