I really need part B and C ASAP please if anyone could help me it would mean so much :(! It’s really hard for me to understand all this :(

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?

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.