The ratio of students who wear glasses to the total number of students in the class is 2:5. If there are 14 students who wear glasses, there are 40 students in the class.

What expression is equivalent to 1/2(2+3x-6)

Polynomial that can be factored as (3x-4)(3x+4)

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.