There are 3 red and 8 green balls in a bag. if you randomly choose balls one at a time, with replacement, what is the probability of choosing 2 red balls and then 1 green ball?

4/165
24/605
1/10
72/1331

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

In right ∆abc shown below, the midpoint of hypotenuse ac is located at d and segment bd is drawn.if ab = 12 and bc = 16, then explain why bd = 10. hint: consider what you know about the diagonals of a rectangle.

What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?