Find the sum of (x-4)+(2x−7)

Two lines that do not intersect are skew. always sometimes or never

If jaime wants to find 60% of 320, which table should he use?

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