How many degrees was the figure rotated? 180 degrees
90 degrees clockwise
90 degrees
counterclockwise

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?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10