55°
Subtract 70 from 180, giving you 110. Divide this by 2. That’s how you get the measure of angle A and angle B.
If only this was in english then i would be able to understand and possibly help you. right now i don’t understand spanish
Answer:
We can describe FOIL using the distributive property of multiplication. For real numbers x, y, and z the distributive property of multiplication states that

Now let
, where v and w are real numbers.
Then 
Here, we can again use the distributive property of multiplication to get

Hence, it follows that

This is the method of FOIL (first: xv, outside: xw, inside: yv, last: yw)
For example, 
Answer:
-7x
Step-by-step explanation:
==> -12x + 5x.
==> -12+5xx
==> -7x
The box method or latitude or longitude.