Answer:
I'd say $18
Step-by-step explanation:
I cant really tell, but your best guess is $18
Answer:
0.0656
Step-by-step explanation:
For each message, we have these following probabilities:
90% probability it is spam.
10% probability it is legitimate.
Compute the probability that the first legitimate e-mail she finds is the fifth message she checks:
The first four all spam, each with a 90% probability.
The fifth legitimate, with a 10% probability.

It will take 40 hours for the water tank to become empty.
Explanation:
Divide 30 by 0.75 (equivalent to 3/4).
The answer is D)You Can draw straws 12 times with 12 long straws an 4 short straws.
Answer:
-9 1/4
Step-by-step explanation:
-5 3/4 = -23/4
3 1/2 = 7/2