Which triangle’s circumcenter would lie on the triangle? A right triangle is shown. A triangle with angle measure 123 degrees is shown. An equilateral triangle with congruent angles is shown.

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Which of the following is a common response to cell signaling?

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america