Zoe paid \ $ 18.60$ 1 8 . 6 0dollar sign, 18, point, 60in sales tax and tip for your dinner. The tax rate iseleven\%1 1 %11th percent and she left twenty\%2 0 %20, percenttip. (Tax does not apply to tip, and tip is based on the price of dinner before tax) What was the price of Zoe's dinner before tax and tip?
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Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Graph the system of inequalities presented here on your own paper, then use your graph to answer the following questions: y < 4x − 8 y is greater than or equal to negative 5 over 2 times x plus 5 part a: describe the graph of the system, including shading and the types of lines graphed. provide a description of the solution area. (6 points) part b: is the point (5, −8) included in the solution area for the system? justify your answer mathematically. (4 points)

Two numbers have a sum of -19. one number is x. what expression represents the other number?