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S-7< 3 i need answering this problem someone asap answer

Find the equation of a line that is perpendicular to line g that contains (p, q). coordinate plane with line g that passes through the points negative 3 comma 6 and 0 comma 5 3x − y = 3p − q 3x + y = q − 3p x − y = p − q x + y = q − p

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83