Answer:
3/8
Step-by-step explanation:
3/4*1/2=3/8
3/8*1=3/8
*=multiply
I think it's 1/4 that's my answer
The car is traveling 3 meters second
Step-by-step explanation:
you divide 15 by 5 and you get 3
Answer:
680
Step-by-step explanation:
Use the binomial coefficient where you choose
numbers out of
possible numbers and find the total amount of combinations since order does not matter:

Thus, you can make 680 three-non-repeating-number codes
I believe the first one is c