- What is the fourth term in the expansion of (x + 4y)^6?
A7680x^3y^3
B3840x^2y^4
c)1440x^2y^4
d)1280x^3y^3
- A bag contains 6 red marbles, 4 blue marbles, 7 green marbles, and 3 yellow marbles. A marble is drawn from the bag and is not replaced. Then a second marble is drawn. What is the probability that both marbles drawn were green?
Option A: 49/380
Option B: 49/400
Option C: 21/190
Option D: 21/200
A7680x^3y^3
B3840x^2y^4
d)1280x^3y^3
Option B: 49/400
Option C: 21/190
Option D: 21/200
