Fraction with a denomnator

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?

Acylinder has volume 45π and radius 3. what is it’s height?

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting