Y=2x/a+2b solve for a

Consider the line y = -3/-2 x +6. find the equation of the line that is perpendicular to this line and passes through the point (-9,-3). find the equation of the line that is parallel to this line and passes through the point (-9,-3).

What are the sotions to the quadratic equation 9x^2=4

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.