Martina works mowing lawns and babysitting. she earns 7.90 for mowing lawns and 6.90 for babysitting. how much will she earn for 7 hours of mowing and 1 hour of babystting

The anwser cause i do not understand just plez

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?

Which is the graph of the linear equation x – 2y = 6?