Who is the president after 2020? Please help! THX!

Adding and subtracting matricesfind the value of each variable. x = and y = would

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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)