Which statements must be true about the reflection of ΔXYZ across Line M N? Select three options. m∠X'Z'Y' = 90°
m∠MCY = 90°
XX' ≅ YY'
BZ' ≅ BZ
XY || X'Y'

Which one ? is the answer and how to find this answer

Heather is riding a quadratic function that represents a parabola that touches but does not cross the x-axis at x=-6

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2