Find an equation in standard form of the line through point P(2, 0) that is parallel to x + 2y = 3 , and write the equation of another line that is perpendicular to the line given and through the same point.

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