20. a triangle has sides of lengths 4, 3, and 5. is it a right triangle? explain

no; 42 + 32 - 52
yes; 4 +32 - 52
no; 4 + 32 +52
yes; 4² +32 +52

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)