Answer:


Step-by-step explanation:
Given the matrices


Calculating AB:

Multiply the rows of the first matrix by the columns of the second matrix


Hence,

Therefore,


Answer:
the answer is b, 12
Step-by-step explanation:
16-4=12
Answer:
..what answer exactly? (im just gonna put my random answer here lol)
<em>The development of the calander shows they can divde the number of minutes hours days month etc in a year. Development of the pyramids shows geometry and engineering.</em>
7m would be the length to the missing side. Hope I helped
I cant see the triangle so its kinda hard to know