A sequence of transformations is described below.
A reflection over a line \overleftrightarrow{PQ}
PQ

P, Q, with, \overleftrightarrow, on top
A translation
A reflection over another line \overleftrightarrow{RS}
RS
R, S, with, \overleftrightarrow, on top
A dilation about a point TTT
Which of the following must be preserved under this sequence of transformations?

x+14

step-by-step explanation:

0lz try yourself sorry for not answering

a mantle plume is an upwelling of abnormally hot rock within the earth's mantle. as the heads of mantle plumes can partly melt when they reach shallow depths, they are thought to be the cause of volcanic centers known as hotspots and probably also to have caused flood basalts.

step-by-step explanation:

your answer is

a.

5

step-by-step explanation: