"Assemble nine 1/6 pieces to form 5/6 of a circle and 4/5 of a circle. Then demonstrate the addition of 5/6 and 4/6 by recombining the pieces to make 1 1/2 circles." Can someone help me with this problem?

Thanh and her crew are building a stage in the shape of a trapezoid for an upcoming festival. the lengths of the parallel sides of the trapezoid are 14 ft and 24 ft. the height of the trapezoid is 12 ft. what is the area of the stage? enter your answer in the box. ft²

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?

Tanyss's house has 25 windows. her brother has washed 22 of the windows. what percent of the windows has her brother washed?