What does the quotient 35/x represent?

The quotient 35/x simply represents that x is equal to 35.

Basically the quotient 35/x means that the quotient, or answer is x=35.

∞ this is your sign

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)