I think it’s c sorry if it’s wrong
Answer:
n=-6
Step-by-step explanation:
5n-42=12n
5n=12n+24
5n-12n=42
-7n=42
divide each side by -7
n does =-6
9+-3 means 9 plus 3 less
basically it is 9-3=6
16,250 Sq Feet i pretty sure its that one
18+36=54
i tried to do all of these and none of them add up to 54
