Ineed solving p=15.50h p is the total price and h is hours?

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?

100 points, hi, i’m not sure how to get the equation from the graph and table.

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11