The function g(x) is a transformation of the quadratic parent function, f(x)=x^2. what function is g(x)

Given that abcd is a rhombus, what is the value of x?

X/y + 4y/x divided by x/y - 2y/x explain as in depth as you can how you simplfied the fractions. i don't know where to start on this : /

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.