Ethanhunt pls

which figures are polygons?

select each correct answer (multiple choice)

When the solutions to each of the two equations below are graphed in the xy-coordinate plane, the graphs of the solutions intersect at two places. write the y-cordninates of the points of intersection in the boxes below in order from smallest to largest. y=2x y=x^2-3

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

Do,h = (7, 9) (14, 18) the scale factor is