It takes Chance 16 hours to rake the front lawn while his brother, Omar, can rake the lawn in 12 hours. How long will it take them to take the lawn working together?

What is the prime factorization of 23 ?me with this question

Tell whether the two rates form a proportion

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.