1. Give another name for liner r. 2. Name the intersection of lines r and s.

3. Name three collinear points.

4. Give another name for plane N.

Two lines parallel to the same plane are parallel to eachother

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6