Answer:
a. Please excuse my dear Aunt Sally
Step-by-step explanation:
The order of operations for math formulas is PEMDAS, with P being parentheses, E being exponents, M being multiplication, D being division, A being subtraction, and S being subtraction. Which of the memory aids follows this format?
Why, the first one! Notice the bold letters: Please excuse my dear Aunt Sally. So, the answer is A. :)