Two variables x and y are given by y = 4x – 5, if the median of x is 20, what is the median of y?
(a) 8
(b) 40
(c) 37
(d) 35

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 a is a nonzero real number then the reciprocal of a is

Amachine part consists of a half sphere and a cylinder, as shown in the figure. the total volume of the part is π cubic inches.