Amnesty International is a non-governmental organization concerned primarily with human rights.
Answer:
I am Lida and i am from Ukraine. I came to America because people were getting taken by nazi soilders. My sister was taken by the nazis and my father siad we have to leave to America. My mother, father and me live in a 2 bedroom house my father built. My mother works at a field and my father works as a builder. I go to school and the kids there joke me but there is this one boy that is also from Ukraine and he is nice to me. My mother's friend teaches me how to speak english.
Explanation:
Hi, thank you for posting your question here at Brainly.
All you have to do is add all the angles and equate to the total sum of angles for a quadrilateral.
360 = Angle Q + Angle P + Angle R + Angle S
Other relationships/equations are:
Q = 2P
R = 3b-19
S = 3b+10
Then, substituting...
360 = 2P + P + 3b - 19 + 3b + 10
360 = 3P +6b - 9
360 - 3P + 9 = 6b
6b = 369 - 3P
b = (369 - 3P)/6
b = 61.5 - 0.5P
Once you know the value of P, then you can determine the exact value of b.