Quadrilateral Abcd is the image of the quadrilateral ABCD under a dilation What is the center of dilation

Asand dune stands 5 feet’s above sea level. the hill is eroding at a rate of 1 foot per 20 years. let y represent the height of the sand dune after x years which equation represents the situation

What are the exclude value of mn+3m

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?