Keith bought a video game for $660. Amy only spent 1/3 of the cost on hers. How much did Amy spend on her video game system? A)Choose expression you would use to solve:

1/3 (660)

660 - 1/3

660 ÷ 1/3

B) Simplify your expression from part A)
Make sure to show your work

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

Find the distance between the point (-3,-4), and (see the picture below)

Problem 3 a bank charges a service fee of $7.50 per month for a checking account. a bank account has $85.00. if no money is deposited or withdrawn except the service charge, how many months until the account balance is negative