Answer:
Its B.
Step-by-step explanation:
Because
+
does not equal 
121 + 144
225
265
225
32 7/8 would be the answer. All you have to do is find a number multiplied by & that gets you close enough to 39
For this case we must simplify the following expression:

So, if we apply distributive property to the terms within parentheses we have:

We simplify taking into account that:
- Equal signs are added and the same sign is placed.
- Different signs are subtracted and the major sign is placed.

Answer:

Answer:
A. Helps scientists track weather
Step-by-step explanation:
Have you seen those weather guys on TV showing clouds and stuff, they got them via satellite or at least if there are animations, those are possible because they can see what the clouds or other stuff look like via satellites.