Bryan is buying notebooks and pens at an office supply store. notebooks cost $3.59 each and pens cost $1.49 each. bryan spent a total of $13. let x represent the number of notebooks and let y represent the number of pens. write an equation that represents this situation.

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.