What is the value of x in the equation x – y = 30, when y = 15?

Need ! easy 6th grade work! i will put as much points as i can! you so much! i’m learning this in math and it’s soo

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?

Define multiplicative inverse. give an example of a number and its multiplicative inverse.