Asquare deck has a side length of x + 5. you are expanding the deck so that each side is 4 times as long as the side length of the original deck. what is the area of the new deck? show your work and write your answer in standard form.

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?

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

Which of the following scenarios demonstrates an exponential decay