The ratio of a measures of three angles of a triangle is 2:9:19 find the measurement of each angle of the triangle Please help!

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals

Tom drove 206 miles in 3.9 hours. estimate his average speed.

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.