Juan is learning about like terms in his math class. he must check all the combinations below that are like terms. which ones should he check? 3x and x mr001-1.jpg and 0.5 –m and 8m –xy2 and 2xy2 y and y2 4xy and –5x2y m and n –7 and 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