Complementary angles add up to 90.
take away 76 from 90
<u><em>Answer:</em></u>

<u><em>Explanation:</em></u>
we know that in parallelogram opposite sides are equal
Hence on equating we get

Answer:
A=b x h
<em>so 12 x 6=72</em>
Step-by-step explanation:
Its C. becuase the sum of probabilities must be 1
Answer:
You could either use the second or fourth system as each of these choices have x+y+z=87 in the first equation.
Step-by-step explanation:
Answer(s) is above. Hope it helps!