Which of the following best describes a basic postulate of Euclidean geometry?
A. Any two right angles are supplementary.
B. Any straight line segment can be extended indefinitely.
c. All right angles are formed from perpendicular segments.
D. All straight line segments have a midpoint.

George is folding a piece of paper to make an origami figure. each time he folds the paper, the thickness of the paper is doubled. the paper starts out flat, with a thickness of 1 millimeter. a. write a list of six ordered pairs showing the output as the thickness of the paper when the input is the number of times it is folded. explain how you came up with your ordered pairs. b. is this relation a function? explain why or why not using the ordered pairs you came up with in part a.

Which is an equation for the nth terms of the sequence 12,15,18,21

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