In a auditorium, there are 9 rows of 18 seats in each row. there are also 6 rows of seats with 24 seats in each row. how many seats are in the auditorium? estimate first. check for reasonableness.

Of the ones listed here, the factor that had the greatest impact on the eventual destruction of native americans' ways of life was the development of the a) automobile. b) highway. c) railroad. d) steamboat.

Which one is true about the hexagons ?

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units