What is -1 3/10 + (-3.8) show your work

Which equation can be solved to find x the measure of jk in the apex

Given the net of the rectangular prism, what is its surface area?

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?