All changes saved 1. A theater has 20 rows of seats. If there are 4 seats in the 1st row 12 in the 2nd row, 20 in the 3rd row . How many seats are there in total? Show and explain all work. B i U Font Family AVA DE . E . E .@GO #V 2. Consider the sequence {1,22,43,64,85,..}. Find n if an = 2332. Show all steps including the formulas used to calculate your answer.All changes saved 3. Rewrite the series as a sum (show all work). 3n + 4 n= 2 B i U Font Family #V 83 4. Congratulations! You won a contest sponsored by a local radio station. If you were given the choice of the two payment plans listed below, which plan will pay you more? How much more? Be sure to show all evidence including formulas used for calculations. A. $1 on the first day, $2 on the second day $3 on the third day etc. for 2 weeks. B. $0.01 on the first day , $0.02 on the second day , $0.04 on the third day etc.. For 2 weeks