Which compound inequality corresponds to the graph? A)
x < -4 or x>4
B)
X<4 and x > -4
C)
x 4 or xs-4
D)
x 24 and xs4

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?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

How is working backward similar to solving an equation?