What's -)+10 ? ? also if you understand how to combine like terms can you me with the rest?

-4q - (-8q) + 10 =
-4q + 8q + 10 =
4q + 10 <==

I’m not sure i’m sorry

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post