A 20-ft flagpole casts a shadow of 12 feet long. How tall is a nearby building that casts a shadow of 20 feet long? Round to one decimal place.

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*

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?