Please help me with these 2 I beg you

Find the center and the radius of the circle with the equation: x^-2x+y^2+4y+1=0

It warportant fact about the wounded soldiers is reflected by the repetition of the bolded sentences in the excerpts from "in another country" by ernest hemingway? a. it establishes the irony that, although the wounded soldiers have physically left the warfront, the war continues to haunt them psychologically it shows the gradual loss of hope and growing depression of the wounded soldiers and their need for distractions b. c. it establishes the wounded soldiers' determination to shun war and disobey military commands to return to the front after they recover. d. it shows the wounded soldiers' sadness and disappointment at the lack of gratitude from the people they risked their lives to protect e it shows the wounded soldiers' belief that the war would never end, even as thousands of soldiers were killed or wounded and sent to hospitals.

Examine the table of contents. table of contents fear and its physical effects mental effects emotional effects just say "no! " to breathing exercises meditation yoga free from living free seeking support staying sane index in which chapter would a reader find information on seeking support? fear and its effects free from fear just say "no! " to fear seeking support