Which statements are true about polygons? Select three options. Group of answer choices

All sides and all angles in a polygon are congruent.

In a polygon, all segments with a common endpoint are collinear.

The extension of at least one side or diagonal in a concave polygon will contain a point that is inside the polygon.

If all of the sides of a convex polygon are extended, none of them will contain any points that are inside the polygon.

The sides of a polygon are segments that intersect exactly two other segments, one at each endpoint.

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9

answer: the answer is   graph (a)

let's first notice, the center of the hyperbola is at the origin, since the focus points are equidistantly 3 units away from the origin, that also means that the distance "c" from the center to either focus is 3.

it should also be notable that, the traverse axis for this hyperbola is vertical, or namely over the y-axis and therefore, the positive fraction will be the one with y-variable.

the traverse "a" component or distance from the center to either vertex is not 2, is more than 2, so we can safely put it at √5 ≈ 2.24.