Can someone please help me with these questions?

X Question 2 > Score on last try: 0 of 1 pts. See Details for more. > Next question You can retry this question below An auditorium has 61 rows of seats. The first row contains 50 seats. As you move to the rear of the auditorium, each row has 3 more seats than the previous row. How many seats are in the row 48? How many seats are in the auditorium?Question 4 Next question You can retry this question below Write the sum using sigma notation: - 2 - 4 - 8 + ... - 256 8 i =1X Question 6 Next question You can retry this question below Suppose you go to a company that pays $0.02 for the first day, $0.04 for the second day, $0.08 for the third day, and so on. If the daily wage keeps doubling, what will your total income be for working 30 days? Total Income = $