Free points to whoever gets here first

The product of sin 30 degrees and sin 60 degrees is same as the product of

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+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?