Find the angle x, between the tops of two steel beams in front and on top of the building. Round your answer to the nearest tenth if needed.

I’m really confused and need your assist me with this question i’ve never been taught

Arational number that is equivalent to -20/4?

Astudent found the solution below for the given inequality. |x-9|< -4 x-9> 4 and x-9< -4 x> 13 and x< 5 which of the following explains whether the student is correct? -the student is completely correct because the student correctly wrote and solved the compound inequality. -the student is partially correct because only one part of the compound inequality is written correctly. -the student is partially correct because the student should have written the statements using “or” instead of “and.” -the student is completely incorrect because there is no solution to this inequality.