Roots of the equation x2-4x+5=0 in simplest a+bi form​

Write an algebraic expression for the word expression the quotient of c and 8

How many square centimeters of wrapping paper will be used to wrap the shoe box?

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?