4 ........................................
Answer
7/9 chance to pick a brown sock first and 1/4 chance to get a black sock after
Step-by-step explanation:
there are 9 total socks and 7 are brown so you will have a 7/9 chance to get a brown sock
then if you do get a brown the total number of socks will be 8 in the bag so then you have a 2/8 chance which can be simplified to 1/4
Answer:
-4a
Step-by-step explanation:
5a + -9a = -4a
hope this helps
Answer: x = 3
Step-by-step explanation:
collect the like terms, then calculate it.
14x - 7x = 12 + 9
divide both sides.
7x = 21
divide those again.
x = 3
