If a student is randomly choosing the answer to each of four true-false questions in a test, what is the probability that all his answers are correct (write up to fourth decimal place)?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

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.

Given right triangle abc, what is the value of tan(a)?