What is the value of angle O? +15 points :)

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

How do you convert 1.27 to a percentage

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?