A jar contains 30 red marbles, 50 blue marbles, and 20 white marbles. You choose one marble from the jar at random. What is the theoretical probability of choosing a red marble?

The constitution gives congress the power to create federal courts lower than the supreme court higher than the supreme court equal to the supreme court, unaffected by the supreme court.

Zahra wants the equation below to have an infinite number of solutions when the missing number is placed in the box.

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start