QUESTION 4 Find x. 30 X 9 09 O 18 0 9/3 0 3 /3 QUESTION 5 A 45 foot long escalator rises from the first floor to the second floor of a shopping mall....

Can you please help me understand these questions please and thank you

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QUESTION 4Find x.30X909O 180 9/30 3 /3QUESTION 5A 45 foot long escalator rises from the first floor to the second floor of a shopping mall. The escalator makes a 30" angle with the horizontal. How high above the first floor is the second floor?45 ft.30"O 26 ft78 ftO 22.5 ftO 45 ftQUESTION 6In a 30-60-90' right triangle, the length of the shortest leg is s, what is the length of the hypotenuse?O 2sO s 3O $ 2O SV3