Pls help I’ll brainlest ASAP

Which expression gives you the distance between the points (5,1)and(9,-6)

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

If you measured the width of a window in inches and then in feet with measurement would you have the greater number of units