Could someone help me with this question??
What are the first four terms of an arithmetic sequence if the common difference is 1.5 and the first term is 15?
A. 15, 30, 45, 60
B. 15, 16.5, 18, 19.5
C. 15, 22.5, 33.75, 50.625
D. None of the above
well, what is 15+1.5?
That's the 2nd term, clearly.