On a town map, the city hall is located at (0,4), the fire station is located at (2,4), and the high school is at (0,0), each unit has a length of 1 mile. The city plans on building a library so that the four buildings will make a perfect rectangle. If the plan on building a rectangular park between the buildings, what will be the area of the park.

Which of the following is an irrational number

Anew obstacle course is home to several new types of challenging obstacles. one such obstacle is traversing a 15-stair staircase. to make it more challenging, the stairs are not uniformly spaced. rather, the vertical space between consecutive stairs for the first 10 stairs is 113 feet and the vertical space for the last 5 stairs is 134 feet. what is the total vertical distance traveled ascending and descending the entire 15-stair staircase?

Find the exact value of cos(arcsin( one fourth for full credit, explain your reasoning. (2 points)