Marcus has a rope that was 75 feet long. he cut off part of the rope. after that the rope was 56 feet long.
if f= the number of feet marcus cut off the rope, which mathematical sentence expresses the information above
a) 75-f=56
b)75-f> 56
c) f-75> 56
d) f-75_56

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

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)