Y = -1/2 x -4

y = 1/2 x + 4

y = 2x + 4

y = -2x + 4

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

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

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose