Can someone explain how dilation works? I understand that if the dilation factor is less than 1, it will get smaller, and if it's more than 1, it'll get bigger. I just don't know how to find lengths and how to tell what the coordinates will be after dilation. Please help

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

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.

Triangle dog was rotated to create triangle d'o'g'. describe the transformation using details and degrees.