Students were asked to choose the city they would most like to visit and 5/10 chose either New York or Los Angeles. If 2/10 of the students chose Los Angeles, what fraction chose New York? ​

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

The sum of the speeds of two trains is 720.2 mph. if the speed of the first train is 7.8 mph faster than the second train, find the speeds of each.