Which of the following expressions has a value of 4? A (16 - 12) 2 B -|-4| C (96 , 8) - 23 D 24 - 42 Please need help

Reflect the point (7,0) across the y-axis

Use the four functions below for this question. compare and contrast these four functions using complete sentences focus on the slope and y- intercept first, and then on any additional properties of each function

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