Answer: Last option.
Step-by-step explanation:
Observe the figure attached.
In order to find the value of "b", you need to remember the definition of "Alternate interior angles". These are the pairs of angles located in the interior of the parallel lines and on opposite side of the transversal. They are congruent.
Based on this definition, you can conclude that the angle "b" and the angle that measures 128° are Alternate interior angles; therefore they are congruent.
This means that the value of "b" is:

You would have a equal amount of both dimes and nickels. Therefore 6 dimes and 6 nickels is the answer.
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He can send 600 messages.
40+0.05x=70
-40+0.05x=70-40
0.05x=30
So divide 30 by 0.05
and you get 600.
To convert a fraction to a decimal you move the decimal point two spaces to the left
To share 5 apples with 7 friends, you need to divide the 5 apples among these 7 friends.
Therefore:
Each friend will get : 5/7 of an apple
This is equivalent to 0.714285 of an apple.