Answer:
There will be
billion messages sent or received in November.
Step-by-step explanation:
Given.
Number of text messages sent or received
billion.
Increment on the very next month 
Lets find what is 
⇒
⇒
So we will add this value to our previous months data.
Now
Number of text messages sent in the month of November
billion.
Rounding to the nearest tenth the answer will be
billion.
So
billion text messages were sent or received in November.
Similar Polygons
Similar polygons are polygons whose corresponding angles are congruent and their corresponding sides are proportional. In other words, Polygons that have the same shape but not necessarily the same size are called similar polygons.
Answer:
I would say " zero" to. Sorry if it's wrong
Answer:
-42
Step-by-step explanation:
i put two documents for you. check them out and try to solve some math problems like this. hope it helps!:)