<u><em>Answer: a. associate property.</em></u>
Explanation: Associate property is a grouping in addition and multiply can be switch. But this question it's about the order of operations. It stands for p-parenthesis, e-exponents, m-multiply, d-divide, a-add, and s-subtract. It can also go left to right. (PEMDAS)
Like this: → 
First do parenthesis first.
And then subtract left to right.
*The answer must be have a positive sign.*
Final answer: 
Hope this helps!
Thank you!
Have a great day!
-Charlie
Answer:
65
Step-by-step explanation:
Because we are not given any evidence of any other value of questions, we can presume that 65 is the correct answer.
Part A : $25.50
Part B : $499.80
The potential problems with Antonia's simulation is that she over simulated the situation and her conclusion has the misleading data.
<h3>What is the potential problem?</h3>
The potential problems is the simulation or method to analysis what is gone wrong in a particular program.
She sets her chess computer program to play 100 first moves in the game of chess. In this simulation, she only focuses on first move and overstimulated the situation.
Antonia concludes that of the 20 possible opening moves in chess, most players will move the pawn piece in front of the queen forward two spaces.
In this conclusion she has misleading data as each player has different strategy.
Thus, the potential problems with Antonia's simulation is that she over simulated the situation and her conclusion has the misleading data.
Learn more about the potential problems here:
brainly.com/question/1242059
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