Please help The base angle of an isosceles triangle measures 54°. What is the measure of its vertex angle? A 27° B 36° C 54° D 720​

The earth is composed of three different chemical layers: core, mantle and crust. the formation of these layers was from a process called

According ti the following map, what are the most common mineral resources found in the united states?

8. compare the education of a sparta boy and an athenian boy. (2 points)