Is this a function? I don’t think it is but I’m not sure.

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?

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo