The nth term of a sequence is n^2+20 a) work out the first three terms of the sequence b) how many terms in the sequence are less than 50

➷ a) (1)^2 + 20 = 21

(2)^2 + 20 = 24

(3)^2 + 20 = 29

b) (5)^2 + 20 = 45

(6)^2 + 20 = 56

There are 5 terms less than 50

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to determine the unit cost your would divide the total cost by the number sold.

7 bagels for $4.41       $4.41/7 = $.63 each at fresh side

5 bagels for $3.60         $3.60/5 = $.72 each at value mart

it’s the first one your welcome