What is the real solution of the equation 2+ squirt 6x-5=0

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20

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?

If f(x)=3 over x+2 - square root x-3 then f(7)=