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Step-by-step explanation:
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The formula of a slope:

Δy = 2
Δx = 1
Substitute:

<h3>Answer: 2</h3><h3 />
Other method.
The formula of a slope:

Find two points.
(0, 1) and (1, 3). Substitute:

<h3>Answer: 2</h3>
Answer:
The weight of the zinc in the metal bar was 50% of the weight of the metal bar .
Step-by-step explanation:
Weight of the metal bar ,M= 36 g
Weight of the zinc in the metal bar , m= 18 g
Percentage of zinc in the metal bar :


The weight of the zinc in the metal bar was 50% of the weight of the metal bar .
AB is half AC therefore BC is 10 ft
Use Pythagorean theorem.
(8)^2 + (10)^2 = c^2. Square the left side
164 = c^2. Take the square root of both sides
√(164) = c
EC = √(164).
<span>(x + 3)(x² – 6x + 5)= x³-6x²+5x+3x²-18x+15 =x³ -3x²-13x+15 Answer B</span>