Here is parallelogram ABCD: Parallelogram ABCD. Diagonals AC and BD intersect at point M.

Prove segment AM is congruent to segment CM.

What is the standard deviation of the following data set rounded to the nearest tenth? 3, 17, 18, 15, 12, 21, 9

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.

Determine if the equation defines y as a function of x: 2xy = 1. yes o no