Find the length of the curve correct to four decimal places. (Use a calculator or computer to approximate the integral.) r(t) = cos(t), 2t, sin(2t), from (1, 0, 0) to (1, 12, 0)

Which of the following points is collinear with (-2,1) and (0,3)

The serenity and the mystic are sail boats. the serenity and the mystic start at the same point and travel away from each other in opposite directions. the serenity travels at 16 mph and the mystic travels at 19 mph. how far apart will they be in 3 hours?

Ateam of runners is needed to run a 1 2 -mile relay race. if each runner must run 1 4 mile, how many runners will be needed?