Keith spent 60% of his money at game spot. if he spent $36 at game spot, how much money did keith receive for his birthday?

Match each polynomial with its factorization.

Find the amount in a continuously compounded account for the given condition. principal: $1000, annual interest rate: 4.8%, time: 2 yr

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?