729. multiple 9 times 9 then 81 times 9 and you get D
Follow PEMDAS.
Parenthesis
Exponents
Multiplication & Division
Addition & Subtraction
Alright, do multiplication first, then division. Then, do subtraction then addition.

Hope this helped!
Answer:
The answer is Perpendicular
$6,000 was her salary last year:))
Answer: Option 2
Step-by-step explanation:
