Examples of shipping lanes as borders

Ayellow line means traffic on either side may cross the center line to pass another vehicle. a. single solid b. double solid c. single broken d. double broken

Hurry: the angle measures associated with which set of ordered pairs share the same reference angle? (-square-root 3/2, 1/2) , (-1/2, -square-root 3/2) (1/2, -square-root 3/2) , (-square-root 3/2, 1/2) (-1/2, -square-root 3/2), (1/2, square-root 3/2) (square-root 3/2, 1/2) , (1/2, square-root 3/2)

What is the bottle's speed, as a percentage of the ball's incoming speed?