How did eratosthenes measure the size of the earth

What is the missing step in solving the inequality 5 - 8x < 2x + 3?

Which of these has the least impact on the climate of a place

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.