Which of the following is not a layer of the Earth? core

mantle

crust

lava

Which of the following statements is most likely a characteristic of an authoritarian government in africa

How many years is a term in the senate

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.