Multiplication of two matrices can be accomplished if this condition exists.
For this case we have a function of the form
where:

We must find the value of the function when
. So:

By definition we have to:

Thus, the value of the function is 
Answer:

Answer:
E
Step-by-step explanation:
Since 0 is in confidence interval, and negative and positive values are also, we are 96% confident in all possible answers in this interval so since true slope could be negative or positive in our interval, we cannot determine it
Answer:
Step-by-step explanation:
270 degrees