Answer each question about the following
arithmetic series:
12 + 18 + 24 +30 + ... + 198
What is the explicit rule for the arithmetic
sequence on which the series is based?
an=1
+ (n-1)
DONE

Does the problem involve permutations or? combinations? do not solve. the matching section of an exam has 4 questions and 7 possible answers. in how many different ways can a student answer the 4 ? questions, if none of the answer choices can be? repeated?

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.