Brittni

an auditorium has 50 rows of seats. THe first row has 20 seats, the row has 21 seats, the third row has 22 seats, and so on. each row having one more seat than the previous row. How many seats are there all together?

write an equation of the line containing the given point and parallel to the given line (9,-9); 3x-5y=8

What is the position at 2 seconds, if the velocity is 9 m/s? answer in meters