Answer:
Step-by-step explanation:
7a-10c-2a-0.5c+5
5a-10.5c+5
it is your first choice
Common difference of the arithmetic sequence, is


The forth picture is the one that represents 4.5
Answer:
I believe D is the correct answer.
Step-by-step explanation:
It Would be A 1km because its 1000 meters