Determine the seating capacity of an auditorium with 30 rows of seats if there are 16 seats in the first row, 20 on the second row, 24 seats on the third row , and so on

Determine the seating capacity of an auditorium with 30 rows of seats if there are 16 seats in the first row, 20 on the second row, 24 seats on the third row , and so on.


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Q2.)A brick patio has a shape of an isosceles trapezoid. The patio has 18 rows of bricks. The first row has 15 bricks and on the 18th row has 32 bricks. How many bricks are in the patio


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Q3.) Logs are stacked in a pile. The bottom row has 22 logs and has 14 logs. Each has one less log than the row below it. How many rows of log are there. How many logs are there?


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