Answer:
16
Step-by-step explanation:
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2/10 represents 20 percent, as 10 is 100% because it is the Max, so something like 4/10 would be considered 40%
B- Not sure if it's a line
C- y=(-x/2)-6
D- y=4x-12
E- y=(2/5)x-10
Answer: x^2 - 8x + 16
Let y = x-4
(x-4)^2 = (x-4)*(x-4)
(x-4)^2 = y*(x-4) ... replace one copy of (x-4) with y
(x-4)^2 = x*y - 4*y .... distribute
(x-4)^2 = x*( y ) - 4( y )
(x-4)^2 = x(x - 4) - 4(x - 4) ... replace y with x-4
(x-4)^2 = x^2-4x-4x+16 .... distribute
(x-4)^2 = x^2 - 8x + 16