Write an expression that describes the length of a rectangle given that the width is 2z and the area is 16z^2 - 10z^2 + 2z

3z + 1

Step-by-step explanation:

Area = 16z^2 - 10z^2 + 2z = 6z^2 + 2z = 2z(3z + 1)

Width = 2z

Area of a rectangle is given as:

Area = length × width

hence length = Area/Width

= 2z(3z + 1)/2z

= 3z + 1

b) the dogs need to shift their focus to human scent.

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step-by-step explanation: