Ineed to know how to write a proof for why cf is the perpendicular bisector of bd

Which expression is equivalent to −16y+13 ? −16(−y+13) 16(−y+2) −16(y+2) 16(−y+13)

What is the solution set of the quadratic inequality x2- 5< 0? o {xl-55x55{x- 155x55){xl -55x5 15){x1 - 15 sx5/5)

Which of the choices shown could be used to prove that aacp=abcp ?