Any help?

Complete the standard form of the equation that represents the quadratic relationship displayed above, where a, b, and c are rational numbers.

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r