Answer:
My answer would be 9 unit away
Step-by-step explanation:
becuase you can subtract 0 from -9
0 + -9 would equal -9
then 9 - (-9) = 0
so 9 is my answer
sorry if i am wrong
Answer:
I had it before and it is 15 ft²
Answer:
-6
Step-by-step explanation:

6
Range is the difference of min and max y values
X/3/2/6/4
2/6/4/12/4
12/36/24/72/48
14/42\28/84/56
21/63/42/126/84