Huh? Are you missing the something
Answer:
The common difference is 3
Step-by-step explanation:
we know that
In an <u>Arithmetic Sequence</u> the difference between one term and the next is a constant called the common difference
we have

so







therefore
The common difference is 3
Answer:
20
Step-by-step explanation:
Use the equation 
Where b2 is a, b1 is b and h is h
Answer:
the value of m will be 20