Is 0..2 greater than or less than0,02

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations