Graph the inequality on a grid which resembles the image. 400x + 4y < 2000

What is the common difference in the following arithmetic sequence 7,3,-1,-5

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?

Write the ratio as a fraction in lowest terms 1 1/3 to 1 2/3