The sum of all exterior angles is always 360 degrees.
360/40=9 sides
the polygon has 9 sides.
Answer:

That is what the expression would be
120 times because 300 divided by 25
-6 ≥ 10 - 8x Subtract 10 from both sides
-16 ≥ -8x Divide by -8 to both sides
x ≥ 2 your answer is c