Can anyone help me answer this?

Closing a credit card usually _your debt ratio. a. increasesb. decreasesc. improvesd. has no effect on

Is of - 4x + 2? a. 3 b. 4 c. 6 d. 5

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?