The arithmetic sequence a; is defined by the formula:
ai= -3
ai = ai -1 – 5
Find the sum of the first 490 terms in the sequence.

Football player weighed 170 2/3 pounds in may. during the summer he gained 25 5/12 pounds. during the first week of fall practice he lost 10 1/4 pounds and during the second week he lost another 3 1/2 ponds. how much does he weigh at this point? a.182 1/3ib b.181 1/2ib c.182 5/12ib d.183 2/3ib

What is the quadric regression equation that fits these data

In the diagram of circle a what is m