Select the correct answer from each drop-down menu. if u = 5 − 2i and v = 2 − 5i, u + v = and u− v = .

State one method by which you can recognize a perfect square trinomial.

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.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.