A hotel with 95 room has 65 for doubles and 25 for singles. Singles can be booked in any room, but reservations for two or more people must be booked in double rooms. Let x be the number for single reservations and y the reservations for two or more. Which system of inequality represents this situation? Click the correct answer y is greater than or equal to 65 x+y less than or equal to 95 y is less than or equal to 65 x+y less than or equal to 95 x is greater than or equal to 25 x+y less than or equal to 95 x is less than or equal to 25 x+y less than or equal to 95

Which of the following expressions are equivalent ?

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Name and describe the three most important measures of central tendency. choose the correct answer below. a. the mean, sample size, and mode are the most important measures of central tendency. the mean of a data set is the sum of the observations divided by the middle value in its ordered list. the sample size of a data set is the number of observations. the mode of a data set is its highest value in its ordered list. b. the sample size, median, and mode are the most important measures of central tendency. the sample size of a data set is the difference between the highest value and lowest value in its ordered list. the median of a data set is its most frequently occurring value. the mode of a data set is sum of the observations divided by the number of observations. c. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is the product of the observations divided by the number of observations. the median of a data set is the lowest value in its ordered list. the mode of a data set is its least frequently occurring value. d. the mean, median, and mode are the most important measures of central tendency. the mean of a data set is its arithmetic average. the median of a data set is the middle value in its ordered list. the mode of a data set is its most frequently occurring value.