I NEED ANSWER NOW PLEASE ASAP

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.

This is about circle theorems. someone asap : (

Quickly multiply and simplify polynomials (x – 4) (x^2 – 5x – 6)