I think the answer would be 8 :) hope this helps !
The answer is D.(1,-1) the reason is -1(y)-2*1(x)=-3 so, -1-2*1 is less than or equal to -3.
Arctan(3/5) ≈ 0.5 . . . . . radians
.. ≈ 31.0 . . . . . . . . . . . . . degrees
A 80 square meter I’m not quite sure
Answer:
the answer is 8 because 100% of 8 is 8 and 50% of 8 is 4