Answer:
Step-by-step
the slope is 1, 1
explanation:
rise over run it is a positive slope btw
Becouse k and n are 'neighbours' so their sum are 180
so k=180-42=138
Answer:

Step-by-step explanation:

Answer:
Step-by-step explanation:
1/2
For this case we have the following expression:

For this case what you should do is observe the terms that are repeated in the given expression.
We have then:

It is the term that is present in the whole expression.
Therefore, by doing common factor we have:
Answer:
the GCF is:
option A: a 3 is missing at the beginning of the option.