Determine if 0.054227406110177... is rational or irrational and give a reason for your answer.

ASAP pls help

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?

Which expression is equivalent to -5(3x - 6/7)

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units