John gave away 20% of his savings to acharity. he gave away $80. how much did john have in savings?

Which coefficient matrix represents a system of linear equations that has a unique solution ? options in photo*

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)

Which of the following will form the composite function?