Over 6 billion people use them worldwide. They can be used to find information and music.
They can be used to send text and email messages.
They can be used to take digital pictures.

The facts above describe how cell phones
A.
have changed the ways people communicate.
B.
have negative impacts on human networks.
C.
have become the only way people communicate.
D.
have replaced computers for Internet use.

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling

How do you write y-10=2 (x-8) in standard form

52 cm radius = diameter = area = circumference = circumfer