What culture invented a mathematical system based on 10 and were able to add and subtract?

Timeline: (fill in the blank) 1566- a __ settlement is established at santa elena. 1586- sir walter raleigh establishes __ the second attempt at an english colony in the new world. 1663- __ grants the region of carolina to the true and absolute lords proprietors of carolina. 1669- the __ of __ is written by john locke. 1670- the first permanent english settlement is made at __ or charles town. 1690s- some time in the 1690s __ is introduced to southern carolina and becomes a major cash crop. 1700- around 11,000 colonists now call __ carolina home. 1700- around 6,000 colonists now call __ carolina home. 1712- thelords proprietors commission a separate governor for __ carolina, even though the territories are still under one charter. 1715-the __ wars, marked by two years of hostilities between native americans and carolinians last from 1715-1717. 1719-the colonists of southern carolina overthrow the __ for both regions 1729- after the carolinas have become a crown colony. __ formally creates a south carolina and north carolina.

What is the area of the trapezoid shown ?

Which of the following quotes from the constitution describes the senate? "no person…who shall not have attained to the age of twenty five years, and been seven years a citizen of the united states, and who shall not, when elected, be an inhabitant of that state in which he shall be chosen." "the…shall chose their other officers, and also a president pro tempore, in the absence of the vice president, or when he shall exercise the office of president of the united states.""the…shall be composed of members chosen every second year by the people of the several states.""the…shall choose their speaker and other officers; and shall have the sole power of impeachment."