3. Let x = - and y = 0
Select all the expressions that have a positive value.
A. X. y
B.
D. x+y
EX - y
F. y - x

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?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23

What rotation was applied to triangle def to create d’e’f’?