In circle z, what is m∠2? 70° 133° 140° 147°

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

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