Mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
Answer:
34,220
Step-by-step explanation:
Because order doesn't matter, but the numbers can't be repeated, we need to find the number of combinations where 3 individual numbers can be chosen out of 60 possible numbers using the binomial coefficient:

Thus, Elias can make 34,220 unique 3-number codes given 60 different numbers.
So r is a number that when you add to t it will increase so its
T + r
Answer:
The answer would be A and B
Step-by-step explanation:
I really did not have an explanation because I found out by guessing because I did not understand. :)