The measures of the sides of triangles PDQ and OEC are PD. = 5, DQ = 7, PQ = 11; EC = 7, OC = 5, and OE = 11.
1A. Name the corresponding congruent angles and sides.
1B. Name the congruent triangles.

Some gamma ray bursts are hypothesized to come from mergers of neutron stars or black holes. if this hypothesis is correct, what else should we in principle be able to detect from such mergers? a. gravitiational waves b. x-ray bursts c. significant disruption of gas thousands of light-years away in the surrounding galaxy d. an "afterglow" of bright visible light, lasting for weeks

Under which condition below would u expect a coarse-grained intrusive rock like diorite to form?

What is the biggest country in south america?