when adding two rational numbers tell what the sign of the sum will be if one rational number is positive and one is negative

The graph below represents the number of dolphins in a dolphin sanctuary. select all the key features of this function.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

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)