In a week, a given stock gained 6 points, dropped 13 points, dropped 3 points, gained 15 points, and dropped 10 points. what was the net change in the stock's worth?

Atheater wants to build movable steps that they can use to go on and off the stage. they want the steps to have enough space inside so they can also be used to store props. how much space is inside the steps?

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Non-euclidean geometry was discovered when, in seeking cleaner alternatives to the fifth postulate, it was found that the negation could also be true a. true b.false