Which lines are parallel? 1. Y=4x
2.Y= -1/4x-3
3.12x-3y=6
4.4(y+6)=x-3

If possible a step by step explanation would be nice.

Which sentence describes why polygon mnop is congruent to polygon jklp? a. polygon jklp maps to polygon mnop through a translation. b. polygon jklp maps to polygon mnop through a rotation. c. polygon jklp maps to polygon mnop through a dilation. d. polygon jklp maps to polygon mnop through a stretch.

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64