# Find the 18th term as well as the sum of the 1st twenty three terms of each of thefollowing arithmetic sequences: a) 4; 7; 10; …………….b)

###### Question:

Find the 18th term as well as the sum of the 1st twenty three terms of each of the following arithmetic sequences:
a) 4; 7; 10; …………….
b) -15; -8; -1; …………

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