Someone help plz it’s due soon

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

Can someone me? i need to have this done as soon as possible! i'm putting 20 points on this!

This phrase from the declaration of independence and its primary author thomas jefferson can be used to justify which statement? a) jefferson thought this document could be used in his defense were he put on trial for treason. b) jefferson knew that the colonists' actions would have an international impact. c) jefferson believed that a bill of rights was necessary in the new government. d) jefferson was trying to show the king that the colonists were intellectuals.