Miss watson receives a base pay of $150 plus a commission of $45 on each appliance that she sells her total pay depends on how many applications she sells. write a liner function rule and then identify the initial value and rate of change.

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