Help pls, due in soon, will give brainliest if correct

Tod does not have any cookies. david gives jeff 8 cookies. then he splits half of the cookies he has left with tod. david let’s c represent the number of cookies that he starts with. he finds the number of cookies that tod has is 1/2 the difference of c and 8. write an expression to represent the number of cookies that tod has.

Which compound inequality could be represented by the graph?

Solve 3x-18=2y and 5x-6y=6 by elimination show work