dave and sandy hartranft are frequent flyers with a particular airline. they often fly from city a to city b, a distance of miles. on one particular trip, they fly into the wind, and the flight takes 22 hours. the return trip, with the wind behind them, only takes 1 1/2 hours.

2 hours. if the wind speed is the same on each trip, find the speed of the wind and find the speed of the plane in still air.

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?