3. Juanita wants to buy a computer. She needs to earn at least 400 dollars. If she makes 9
dollars an hour and has already saved 40 dollars, how many hours does she need to
work?

Which of the following properties can be used to show

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?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)