C is the answer radical 77/22
Answer:
A gotchu Just took the test got 100
Step-by-step explanation:
B
In system A, the first equation multiply by 4
8x - 4y = 12 (1st)
3x + 4y = 10 (2nd)
--------------------add
11x = 22
So answer is B.
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87
You can add up the angles that are labeled(73,110,and 90 because of the right angle) and get 273.
For a quadrilateral, all of the angles add up to 360.
So, subtract 360-273.
You get 87.
Hope this helps:)
