X = -1
(-1, -5) The line is horizontal.
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PR=18mm
AB=7mm
All lengths of triangle PRQ are twice the lengths of ACB
If the number is negative than it is less than it's absolute value.
Measuring the figure with a ruler, length = 2 inch and width = 1.5 inch
It is given that 1/2 inch = 4 feet
1 inch = 4*2 = 8 feet
Area of rectangle = length * width
Length = 2*8 = 16 feet
Width = 1.5*8 = 12 feet
Area of Quintoe's bedroom = 16 feet * 12 feet = 
Hence option C is correct.