What is the value of the 1st quartile in the data set below ?
scores on a math quiz: 65, 90, 100, 72, 88, 55, 73

Can someone tell me if this is perpendicular? !

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)

What function has a range {yly< 5}? question on picture above^