Secondary sources or primary an original copy of the declaration of independence

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

In recent times, what parts of texas are most likely to gain to representatives based on redistricting in recent years

15 points need quick 1. looking at your graph and the geologic time scale during what period did this rock form? what is the age span of the rock, in millions of years? 2. this rock sample is limestone and shale. with what you know about rock formation, what type of environment did these organisms live in? 3. if some of these fossil samples were found in a rock also containing leaf fossils, could you use radiocarbon dating to determine the age of this rock? explain.