If
Write an explicit formula for the sequence 4, 19, 34,...
Find the 22nd partial sum of the series 0 + 1.3 + 2.6 + ...
Show what formula you used.
Find an explicit formula for the sequence 12, 19, 28, 39, 52, 67, ...
An employee agreed to a salary plan where his annual salary increases by the same amount each year. If he earned $49,310 for the fourth year and $65,310 for the ninth year, what was his starting salary?
Wakefield Auditorium has 26 rows. The first row has 22 seats. The number of seats in each row increases by 4 as you move to the back of the auditorium. What is the seating capacity?