Trên mặt phẳng tọa độ cho ba điểm A(2;3)B(-1;-3)C(0;-1)
a)tìm hệ số góc của đường thẳng AB

Ivan and jeff buy a package of 8 pens for $4.00. ivan wants 5 of the pens, and jeff wants 3.how much should each student pay?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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)