solve each equation for the variable indicated.
1) 4x+y= 1 for y
2)ax-by=z for x
PROBABILITY
A card is drawn at random from a well-shuffled standard deck. the card is replaced and then a second card is drawn. Find each probability.
1)p(two hearts)
2)p(two face cards)
3)p(queen, the face card)
4)p(jack,then ace)
1) 4x+y= 1 for y
2)ax-by=z for x
PROBABILITY
A card is drawn at random from a well-shuffled standard deck. the card is replaced and then a second card is drawn. Find each probability.
1)p(two hearts)
2)p(two face cards)
3)p(queen, the face card)
4)p(jack,then ace)