Can someone answer questions six and seven for me ASAP Please

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.

Draw a scaled copy of the circle using a scale factor of 2

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)