The Dallas Cowboy ticket price for 1988 was $35 for the nosebleed ticket. If the price for the same seat in 1989 was $41.50, what was the percent increase from 1988 to 1989?

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?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.