F= (mountain overs 1000m tall)

Is it empty sets or not?​

In anton chekhov’s the proposal, lomov talks about how much land he owns instead of making romantic gestures while trying to propose to natalya. which idea influences lomavs behavior

What is another way name for bd? cf, bd, cf, be

Acheetah ran 75 meters at a speed of 25 meters per second. how long was the cheetah running? 3 seconds 5 seconds 30 seconds 50 seconds