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

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

In the following diagram it is given that dec, ab || dc, ad || eb, and ad is congruent to bc. a)why isn't abc a parallelogram even though it has a pair of parallel sides and a pair of congruent sides b)explain why be must be congruent to bc. further explain what type of triangle this makes triangle abc and what it tells you about angle 1 and angle 2c) finally why must angle 3 be congruent to angle 1? further, explain why we know that angle 3 is congruent to angle 2

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.