How do you divide a segment into given ratios? (and) How do you use coordinates to find the perimeter and area of polygons?

Acircle has a diameter will endpoints of (-2,8) and (6, 4). what is the center of the circle

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.