Answer:
3.5 m/s
Step-by-step explanation
Remove brackets
d = t^2 + 0.2t + 3.3t + .66
Combine
d = t^2 + 3.5t + .66
The initial velocity is 3.5
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The semi-circles in the triangles represent the verteces or different angles on certain points of the triangle.
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Answer:

Step-by-step explanation:
Taking a test doesn't lessen your risk of a heart attack