You roll a six sided number cube (die). what is the best answer for the probability that the number rolled is between 1 and 6? a) certain b) unlikely c) impossible d) very likely

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

Combine like terms to make a simpler expression 3z+z

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.