Find the coordinates of the endpoints of each midsegment

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Organic apples are on special for $1.50 per pound. does total cost vary inversely or directly with the number of pounds purchased? find the cost of 3.4 pounds of apples. a. inversely: $5.10 b. directly; $5.10 c. inversely: $2.27 d. directly; $2.27

Find the distance between c and d on the number line c=3 and d=11