(2.07)solve for pi: c = 2pir.

pi equals 2 times c over r
pi equals c over quantity 2 times r
pi equals c over r
pi equals r times c over 2

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

Aubrey read 29 books and eli read 52 books what number is equal to the number of books aubrey read