Answer:
reflection of Δa about y=2 results in Δb
Step-by-step explanation:

The slope is 2
y=2x + b
Plug in a point to solve for b
8 = 2(3) + b
8 = 6 + b
b = 2
The equation is y = 2x + 2
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Step-by-step explanation and Answer:
21 * 0.2 = $4.2 (Discount)
21 - 4.2 = $16.8 (Sale Price)
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-7 and 5. The product would be -35 and the sum -2.
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For this case we have that by definition, the perimeter of the quadrilateral shown is given by the sum of its sides:
Let "p" be the perimeter of the quadrilateral, then:

So, the perimeter of the figure is: 
Answer:
