Which expression simplifies to 3x + 4z + 6?
question 1 options:

3x + 6 + 4z + 12

7x + 4 + 7z + 2

7z + 3x + 6 - 3z

3 + x + 4 + z + 6

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What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

The diameter of a circular chip is doubled to use in a new board game. the area of the new chip will be

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