The base angle of an isosceles triangle measures 54°. What is the measure of its vertex angle? 27° 36° 54° 72°

The first hexagon is dilated to form the second hexagon select the answers from the drop box menus to correctly complete the statement

Consider 6x2 + 6x + 1. which term immediately tells you that this expression is not a perfect square trinomial? justify your answer

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.