If x + 1 is the reciprocal of x – 1, then x equals, (a) √- 2
(b) 1
(c) √2
(d) 3

HeLP required urgent​

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg? а . 1: 2 в. 2: 1 с. 2: 1 d. 1: 1

Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.