Simplify 11x+3y-5x-2y
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Use set builder notation to represent the following set: { -3, -2, -1, 0}

What is the range for 31,39,29,34,37,24,36,33,34,28

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median amount spent? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28