Answer:
I belive its 20
Step-by-step explanation:
Length = width x height
B negative
use real numbers?
n is +9
m is -11
m/n * (-m*n^2)
-11/9 * (11*81)
-11/1 * (11*9)
-11 * 99
-1089
144
12 and 1/4
B
