28, 45, 12, 34, 36, 45, 19, 20

Part 1: Find the mean of this set of data.

Part 2: Find the mean absolute deviation of this set of data.

Part 3: Using complete sentences, explain what your results for part A and B mean.

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Which inequality is equivalent to -3x < -12? x < 4 , x < -4 , x > 4, x > -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.