Answer:
y= 2x+1.10
y=x+3.05
Step-by-step explanation:
4j^2 -14j +14j - 49
4j^2 - 49
x=8
(2x + 1)² = x² + (2x - 1)² = x² + (2x - 1)(2x - 1)
(2x + 1)(2x + 1) = x² + 4x²-2x-2x+1
4x²+2x+2x+1 = 5x²-4x+1
4x²+4x+1 = 5x²-4x+1
0= 5x²-4x²-4x-4x+1-1
0= x²-8x
x²-8x=0
x²=8x
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$2200
for 4 hours, I think, I hope I helped.
