Which transformation carries the trapezoid onto itself? A a reflection across the line y = 0
B a rotation of 180° about the point (-1,0)
C a rotation of 180º about the origin
D a reflection across the line x = -1

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?