i am sorry if i'm wrong but i believe the answer is Courtney's age
The answer is A. true, since the order of operations goes as follows:
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction
One way I was taught to remember it was by creating a saying out of the first letters(PEMDAS=Please Excuse My Dear Aunt Sally).
Acute isosceles triangles because they are all under 90 degrees
