What was the name of the treatise in which Euclid compiles all the existing geometric knowledge, along with some of his own observations, to provide a logical structure and progression for geometry?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

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?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?