54 is th answer because ther is 6 units on one side and 9 units in the other and when you times you get this I think
20 total marbles....7 are green
probability on first draw is 7/20...and since the marble was not replaced, the probability on the second draw is 6/19. And since they cant happen at the same time, we multiply
7/20 * 6/19 = 42/380 which reduces to 21/190
Answer:
A triangle equals 180 degrees.
Answer:
13
Step-by-step explanation:
4 + 9
[ 9 + 2 = 11 ]
[ 11 + 2 = 13 ]