Marco invested $100 in a savings account and did not add to it again. Interest is added every month and his balance for several months is shown in the table. Denise bought a car for $15,000 and sees that the rate that the amount owed is decreasing at 3 times the amount that Marco is saving. How much will she have left to pay after 36 months?

A) $0.00
B) $0.02
C) $503.02
D) $510.41

At least two people have the same birthday in a school of 150 students

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?

Complex numbers multiply √-4 * √-25 and show all intermediate steps. alternative notation is sqrt(-4) * sqrt(-25).