Suppose that a plano cost PLEASE HELP ME THE TEACHER IS ABOUT TO FAILL MEEE
5,000 and loses 20% of its value oach year. table shows the value, of a piano after years.

1. 5000
2. 4000
3. 3200

write an equation that can be used to find the value of the piano, v, after t years.

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)