Determine whether the sequence has a common difference or ratio and what the value of the difference or ratio is. 6,2,-2,-6

Hi my sisters and brothers can tell me the answer because i don’t understand the question

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Af jewelry box is in the shape of a rectangular prism with an area of 528 cube inches. the length of the box is 12 inches and the height is 5 1/2 inches. what is the width of the jewelry box