The set of positive integers are example of ?

What is the perimeter of square abcd? units units 28 units 37 units

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?