D. All numbers greater than -10 and less than or equal to 8
The game has to be 12 because he plays 12 games and each day he plays for a long time
<span>x= -8 + y
-9x + 6y= 9
substitute </span>x= -8 + y into -9x + 6y= 9
-9x + 6y= 9
-9(-8 + y) + 6y= 9
72 - 9y + 6y = 9
-3y = -63
y = 21
<span>x= -8 + y
</span><span>x= -8 + 21
x = 13
solution (13, 21)</span>
Answer:
18750
Step-by-step explanation:
-46
52-16=negative 46 because shes still below sea level
