It would be B. X is on a right angle which is 90 degrees and you must take into thinking that all three angles must be 180. Since it is a mirrored shape, corner E is the same as corner C which is 46.
This adds up to 136 and you must subtract 136 from 180 and is 44.
Answer:
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The line that is the best model for the data is the line that passes mostly through the centre of the data. Therefore, it is most likely the plot in the top right.
Easy,
To make a triangle, you have to have the two SMALLEST sides, when added up be BIGGER than the longest side. This makes a triangle.
So,
6+8=14
The other side has to be BIGGER than 14, so it could be 15,16,17 etc
