Question is wrong.......any bracket can not solve this problem
Base = 2 x height (b = 2h)
Area = 1/2 x base x height = 1/2 x 2h x h = h x h = h^2
Answer: d=12
Step-by-step explanation:

Multiply both parts of the equation by 8:

Divide both parts of the equation by 11:

Answer:
It wont let me eat either day or night I cant get one?