Given a formula for lost each of the following patterns. I) Determine the first three terms
II) Find the 11th term

1. Tn= 2 raised to nth power + 1
2. Tn = 3n +4
3. Tn = ½ n - 4
4. Tn = 3 raised to the nth power -1
5. Tn = n squared -2n + 3

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Sum is 17 and their difference is 3

Joel wants to buy a new tablet computer fram a store having a 20% off sale on all tablets. the tablet he wants has an original cost of $190. he also wants to make sure he has enough money to pay the 5% sales tax. part one joel uses the incorect expression 0.95(190)(0.8) to calculate that the tablet will cost him a total of $144.40. describe his error and write the correct expression part two how much will joel pay for the tablet show your work if you answer this question correctly you will receive a prize of 99 points good luck

The distance of a chord from the centre of a circle is 12cm and the lenght of the chord is 10cm. find the radius of the circle