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:
2: 35 and 70
Explanation:
1. The LCM of 5 and 7: <em>35</em>
2. 35 * 2 = 70
3. 35 * 3 = 105, not 2-digit
So, the only 2-digit numbers that are multiples of both 5 and 7 are 35 and 70, so 2.
The one way in which the spread of buddhism in the period before 1450;
- Religion is part of culture and spread as people interact. So therefore, Buddhism spread as the people who believed in it traveled around the world. Leaders who held Buddhist ideas and their territory became Buddhist. It spread along trade routes
For better understanding let's explain how Buddhism spread
- The continuity of Buddhism in the patterns of cultural diffusion between the time period before 1450 was mostly due to the movement along trade routes. An example is movement of Buddhism along the Silk Road and Indian Ocean trade route.
- One of the reasons as to why Buddhism continuously moved along trade routes was because the religion was wild spread and was appealing to merchants who were travelling along these routes.
From the above we can therefore say that the answer The one way in which the spread of buddhism in the period before 1450;
- Religion is part of culture and spread as people interact. So therefore, Buddhism spread as the people who believed in it traveled around the world. Leaders who held Buddhist ideas and their territory became Buddhist. It spread along trade routes, is correct.
Learn more about cultural diffusion from:
brainly.com/question/2035730