PLEASE HELP!

If Sean's dad paid $41.40 on a meal that cost $36, what percent tip did he pay?

A) 12%
B) 15%
C) 18%
D) 20%

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?

Fa bus driver leaves her first stop by 7: 00 a. m., her route will take less than 37 minutes. if she leaves after 7: 00 a. m., she estimates that the same route will take no less than 42 minutes. which inequality represents the time it takes to drive the route, r?

Afootball is throw by a quarterback to a receiver