Find the cosine of ∠R. Simplify your answer and write it as a proper fraction, improper fraction, or whole number.
cos (R) =

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

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.

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656