Will give brainliest if you answer these sample questions correct

The graph shows the distance y, in inches, a pendulum moves to the right (positive displacement) and to the left (negative displacement), for a given number of seconds x. how many seconds are required for the pendulum to move from its resting position and return? enter your answer in the box.

Segment xy is dilated through point m with a scale factor of 2. which segment shows the correct result of the dilation

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?