What does it mean to multiply fractions?

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83