Complete the ordered pair so that it is a solution of 2/3 x + y-1=0

Geometry. i need step by step explanation on how to do each problem.

How can we find the measure of an exterior angle if we know the measurement of an interior angle

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241