3b) 4 tickets/$16 = 0.25 tickets/$1
4a & 4b) You didn’t provide a photo of the problems that I need to solve them
4c) ($4/1 ticket) x (1000 tickets) = $4000
B. If it is Thursday, then Sara goes to the bank.
Answers:
11. u = {0, 1/3}
12. n = {-4, 0}
13. s = {-5, 0}
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