Answer:
Option d
Step-by-step explanation:
First multiply matrix A by 9.
Then multiply the matrix B by 5.
When multiplying a matrix by a number x you must multiply each element of the matrix by x.
<u><em>Then we perform operation 9A</em></u>
<u><em>Now we perform operation 5B</em></u>
Now we add the resulting matrices
Horse = 10
Horseshoe = 4
Boots = 2
1+10*2 = 21
The answer is y=-1/4x-1
because the slope is rise/run it sinks 1 (giving you the negative) and goes right 4 the the y-intercept is -1