79, 100, 123, 147, 178, , , , , , , , , , , , , , , , , , , , , , , , finish counting

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?

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

What is the solution to the equation e3x=12? round your answer to the nearest hundredth