Alana has a rectangular tapestry on her bedroom wall. The tapestry has an area of 48 square feet and a width of 2 yards. What is the length of the tapestry in feet?

Driving 75 mph, it takes alicia 2 hours to reach the airport to go on a vacation. it then takes her 4 hours to get to her destination with the jet traveling at a speed of 400 mph. how many miles does alicia travel to get to her destination?

The figures below are made out of circles, semicircles, quarter circles, and a square. find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations).

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