Answer:

Step-by-step explanation:
Probability of first yellow ball
Since first ball is again placed in the bag
Probability of second yellow ball
These two are independent events so the probability of both yellow balls=
Answer:
8
Step-by-step explanation:
Answer:
$411.30 in a month with 30 days
Step-by-step explanation:
$4.57 times 3= $13.71 per day
Assuming there are 30 days in a month, $13.71 times 30= approximately $411 monthly, or more specifically $411.30 in a month with 30 days.
4.375= 8.75h
4.375/8.75= h
0.5 = h