To be considered as a menu item for gloria's new restaurant an item must have scored in the top 15% by the food critics in the area. the average item's score is 7 with a standard deviation of 2. assuming that the variable is normally distributed, find the lowest score possible for a menu item to still be considered?

Question and answers are in the attached picture. you so much in advance.

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"

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