Find two positive numbers such that the sum of one and the square of the other is 200 and whose product is a maximum.

Find the midpoint of the segment with the given endpoint k(-4,4) and l(6,12)

At the many chips cookie company they are serious about the number of chocolate chips in their cookies they claim that each cookie hasn't c chips. if their claim is true there will be 200 chips in 10 cookies

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?