When a problem is too complicated to unravel<span> in one step, it </span>usually<span> helps to divide it into </span>less complicated issues<span> and solve </span>all separately. Making an easier downside<span> from a </span>more complicated one. This might<span> involve </span>revising<span> the problem; </span>using<span> smaller, </span>less complicated<span> numbers; or </span>employing a additional acquainted situation to grasp the matter<span> and </span>realize the answer<span>.</span>
7 ) 2. 000000
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0. 2857
Its a
The Answer of the question is "B" or 1,600
Answer is A, y = 65
The top angle is 50 because 180 - 130 = 50
Since the top angle is 50, the two bottom angles have to add up to 130. Since the bottom angles are the same, you can do 130 / 2 to find the angles which equals 65.
Answer:

Step-by-step explanation:
Subtract 7 From both sides

7-7 = 0, 16 - 7=9
That leaves 
Hope this helps
~R3V0