The answer is B. 3a = 12.
3 times A with A being 4 equals 12.
The value of the 8 in that number is the ones
Using the Pythagorean Theorem, it is found that Barrie is 12 miles from Luke's house, in a straight line.
<h3>What is the Pythagorean Theorem?</h3>
The Pythagorean Theorem relates the length of the legs and of a right triangle with the length of the hypotenuse h, according to the following equation:
This problem can be modeled by a right triangle, with , hence:
Barrie is 12 miles from Luke's house, in a straight line.
More can be learned about the Pythagorean Theorem at brainly.com/question/654982
Times each by two it looks like. Then just write the answer in scientific notation.