Answer:
The correct answer is A) 5n = 3d and 3n + 6 = 2d + 4
Step-by-step explanation:
hope this is right...
Answer:
1,404,000 unique passwords are possible.
Step-by-step explanation:
The order in which the letters and the digits are is important(AB is a different password than BA), which means that the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:

In this question:
2 digits from a set of 10(there are 10 possible digits, 0-9).
3 characters from a set of 26. So

1,404,000 unique passwords are possible.
Answer:
24.7 miles takes 1 gallon of gas
Step-by-step explanation:
314÷12.7=24.724409 which gets rounded to 24.7