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Which of the following equations are linear? 4y=8 A linear equation is a linear line. If a problem has a squared or a cubed term, it isn't linear. It is a quadratic equation. A vacation resort rents SCUBA equipment to certified divers. The resort charges an up-front fee of $25 and another fee of $12.50 an hour. What is the independent variable? Time. The equation is Dollars = $12.5(hour) + $25 Dollars depends on how many hours you use the equipment for. Dollars is the dependent variab...

What is the sampling method used in the following scenario? A teacher wants to know if her students are doing homework, so she randomly selects rows two and five and then calls on all students in row two and all students in row five to present the solutions to homework problems to the class. cluster The first 50 people who walk into a sporting event are polled on their television preferences. What type of sampling was used? convenience A market researcher polled every tenth person who ...

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