Blake's mistake is (d) He divided the exponents in the parentheses instead of subtracting.
<h3>How to determine the mistake</h3>
The expression is given as:

The actual solution is as follows:

Add the exponents

Multiply 15 by 5

Blake's simplified expression showed that:
He divided 12 by -3 and then multiplied the result by 5
Hence, Blake's mistake is (d) He divided the exponents in the parentheses instead of subtracting.
Read more about expressions at:
brainly.com/question/4344214
Answer:
smoke alarm
Explanation:
well since there's cooking equipment that could burn the house down .. the smoke alarm would warn the people in the house that something is burning so that they could take action to prevent themselves from suffocating from harmful gasses and at the same put out the fire as soon as possible..
Answer:
مجھے یہ جواب نہیں معلوم۔ میرے مسئلے کو سمجھیں اور مجھے ذہنی ترین نشان بنائیں
The conclusion that can be drawn about the second punic war from the information in the map is;
D) Rome had enemies both on the Italian peninsula and in North Africa.
<h3>Facts about the Second Punic War</h3>
From the second punic war from the information on the map, we can tell that the Roman Republic were fighting against the Carthaginian empire which was based in Northern region of Africa.
Now, some kingdoms in the Italian peninsula allied themselves with the Carthage empire.
Finally, we can say that Rome had enemies in North Africa (Carthage empire) and on the the kingdoms of the Italian peninsula that allied themselves with the Carthage empire.
In conclusion, the correct answer is that Rome had enemies on the Italian peninsula and in northern Africa.
The missing options are;
A) Rome had established firm control of the Italian peninsula prior to the Second Punic War.
B) The Roman's allies played a key role in their victory on the Italian peninsula.
C) Rome was also at battle with the Carthaginians over territory in the Eastern Mediterranean.
D) Rome had enemies both on the Italian peninsula and in North Africa.
Read more about Second Punic War at; brainly.com/question/2612078