The angle of elevation of the sun is 34.5degrees at the instant the shadow cast by an obelisk is  791 feet long. use this information to calculate the height of the obelisk.

Ineed in figuring out this problem.

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

Answer 20 points and brainiest ! on the board, your teacher writes an example of how to find the median. one of the numbers is erased, leaving what is shown, 18, 30, 26,12 22. what is the median? a. 10 b. 20 c. 24 d. 28