If the ratio of perimeters of trinagle ced to triangle bea is 5: 2 and ba=6 ,find cd

Write the standard form of an equation with (see picture below)

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

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?