What is 4 divided by 2/5? show your work.

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

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?