Elisondra is eating at a restraurant with three friends. they want to choose at random who will order first. if you model the situation with the spinner, how many equal-sized sections should the spinner have?

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