The test scores for a group of students are shown.

85, 70, 96, 82, 70, 63, 82, 68, 56, 89, 79, 82

what is the mode of the scores?

a.
82

b.
70

c.
80.5

d.
96

What is the value of x in the diagram below?

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

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.