Lysa wants to build a fence around her yard. She needs 160 pieces of wood. She has already purchased 40 pieces. Which equation represents how many more pieces of wood she needs to purchase?

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)

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

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42