Which of the following graphs correctly represents the inequality (picture/s)

The inequality sin is less than or equal to so the  line will be continuous (not dashed).
So  its not  graph 1 or 2.
And, as its less than,  the shading will be under the line

Answer - Graph 3.

Bis the right answer

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