Determine which lines, if any, are parallel or perpendicular. Line a passes through (0, 4) and (4, 3). Line b passes through (0, 1) and (4, 0). Line c passes through (2, 0) and (4, 4)

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)

the answer is 99.

- both graphs increase on their domain.

- the graphs of both functions have the same x-intercept.

- neither graph has a y-intercept.

oh

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