The scale of a map is 1 cm : 12 km. if two cities are 1.5 cm apart on the map, what is the actual distance between the cities

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?

Lola says these two expressions have the same value. expression a expression b which explains whether lola is correct?

How can constraints be used to model a real-world situation?