PLS HELP QUICK Which theorem can you use to show that the quadrilateral on the tile floor is a parallelogram

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?

7x^2-9x+5=0 find the discriminant and number of real solutions

What is the hypotenuse of a triangle with 4 ft and 5 ft