Can someone answer. there is only one problem. there's a picture. you!

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.)

Common binomial factor of 6x(3x+7)+5(3x+7)

How many 2/5s are in 1 and 1/2 plz someone me right now