What is 0.26 repeating as a fraction

If given an equation of a line such as -1/2x+6 how would you create an equation of a line parallel and perpendicula to this line that goes through another point such as (4,10)

Solving algebraic equations 2m+3=11

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis