Which step is the same in the construction of parallel lines and the construction of a perpendicular line through a point on the line?

-create only one arc that intersects the original line.
-create two arcs that intersect the original line.
-place the compass on a point off the original line.
-place the compass on a point on the original line.

The head librarian at the library of congress has asked her assistant for an interval estimate of the mean number of books checked out each day. the assistant provides the following interval estimate: from 740 to 920 books per day. what is an efficient, unbiased point estimate of the number of books checked out each day at the library of congress?

The boiling point of water at an elevation of 0 feet is 212 degrees fahrenheit (°f). for every 1,000 feet of increase in elevation, the boiling point of water decreases by about 2°f. which of the following represents this relationship if b is the boiling point of water at an elevation of e thousand feet? a) e = 2b - 212 b) b = 2e - 212 c) e = -2b + 212 d) b = -2e + 212

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?