How do you know that the sum of (-2 3/4) and 5/9 is rational

The sum is fraction therefore rational .

Step-by-step explanation:

-2 3/4+ 5/9

=-11/4+5/9

=-99+20/36

=-79/36

=-2.1944444

the sum is we can say fraction or non-terminating but repeating which is the definition of a rational number.

choice b is correct

step-by-step explanation:

we have been given the following system of inequalities;

we are required to graph the solution to the system of inequalities. using a graphing tool, the graph of the system is as shown in the attachment. the continuous line represents the graph of while the dotted line represents .

we need the options

step-by-step explanation: