Let me start from the meaning of half plane.you must have learned that there are two axes X and Y axes which includes positive X axes and negative X axes and there is positive Y axes and negative y axes. So there are four quadrants which i have explained in the figure. I have explained the meaning of Half plane in the Diagram also. Half plane=Figure obtained by covering any two adjacent regions of the coordinate axes.So we get four half planes.
Now your question is k is a half plane determined by QR, such that 0<x≤180 and there is exactly one ray QRP that lies in k
So, 
Answer:
212 degrees Fahrenheit.
Step-by-step explanation:
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B 8.5 Pounds
Step-by-step explanation:
I hope this helps!
Answer:
Step-by-step explanation: 14+14 is 28 do this twice because you said 14x4
and that gets you another 28, add the two 28's together and you have 56