Answer: A. 
Step-by-step explanation:
Total digits on keypad = 5
According to permutation,
If repetition of digits is not allowed then the number of 5-digits passwords can be formed = 5!
= 5 x 4 x 3 x 2 x 1 [n!=n x (n-1) x (n-2)x ... x 1]
=120
The probability that someone guesses the correct code = 
Hence, the correct option is A.
Answer:
Cost of popcorn= $9.25 - $1.75 ÷ 3
Cost of popcorn= $7.50 ÷ 3
Cost of popcorn= $2.50 per box
Step-by-step explanation:
I am not that sure about the equation, but I know the answer
They can drink 51. Is my answer
All you need to do is solve it
or
When solved your answer is
0.25 or 1/4
------------------------
What I did to solve it was....
1. Divide top fraction by bottom fraction to get decimal
1 ÷ 2 = 0.5
2. Then multiply 0.5 by its self (the same as putting it to the ^2)
0.5 x 0.5 = 0.25
Answer:
45 minutes
Step-by-step explanation:
distance / rate = time
27 miles / 36 miles/hr = .75 hr ( 45 minutes )
