What is (4)^-2? Please help I don't understand the topic and I need all the help I can get!

When are two distinct non vertical lines parallel

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.

The product of 3 and a number increased by 8 is 31