Octavia simplified the expression as shown. Explain Octavia's error and correct her work.

In line___ Octavia should have _
The correct answer should be _

PLEASE HELP!!!

Asegment in the complex plane has a midpoint at 7 – 2i. if the segment has an endpoint at 11 – 3i, what is the other endpoint?

How do i do this? i don’t understand

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.