A card is drawn randomly from a standard 52-card deck. Find the probability of the given event. (a) The card drawn is 8
What is the probability
(b) The card drawn is a face down (Jack, Queen or King)
What is the probability
(c) The card drawn is not a face card
What is the probability

You and a friend race across a field to a fence and back. your friend has a 50-meter head start. the equations shown represent you and your friend's distances dd (in meters) from the fence tt seconds after the race begins. find the time at which you catch up to your friend. you: d=∣−5t+100∣d=∣−5t+100∣ your friend: d=∣−313t+50∣∣

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

What is the factor form of x^2-9x+14