Which inequality has a solution set of [x/x>-3 or x<-4] A) 2x+7<1
B) 2x+7>1
C) 2x+7<-1
D) 2x+7>-1

Solve for x, y, and z. show all steps.

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?

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction