Which of these strategies would eliminate a variable in the system of equations? 5-7.
-7.2 + 2y = 5
3x - 5y = -5
Choose all answers that apply:
A
Multiply the top equation by 3, multiply the bottom equation by 7, then add the equations.
B
Add the equations.
Multiply the top equation by 5, multiply the bottom equation by 2, then add the equations.

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?