Answer:
No Solution, it just isn't. Lazy Lazy Lazy Lazy Lazy Lazy Lazy Lazy Lazy Lazy Lazy
By the geometric mean theorem,
![\frac{y}{4}=\frac{12}{y} \\ \\ y^{2}=48 \\ \\ \boxed{y=4\sqrt{3}}](https://tex.z-dn.net/?f=%5Cfrac%7By%7D%7B4%7D%3D%5Cfrac%7B12%7D%7By%7D%20%5C%5C%20%5C%5C%20y%5E%7B2%7D%3D48%20%5C%5C%20%5C%5C%20%5Cboxed%7By%3D4%5Csqrt%7B3%7D%7D)
So, by the Pythagorean theorem,
![12^{2}+(4\sqrt{3})^{2}=x^{2}\\\\144+48=x^{2}\\\\192=x^{2}\\\\\boxed{x=8\sqrt{3}}](https://tex.z-dn.net/?f=12%5E%7B2%7D%2B%284%5Csqrt%7B3%7D%29%5E%7B2%7D%3Dx%5E%7B2%7D%5C%5C%5C%5C144%2B48%3Dx%5E%7B2%7D%5C%5C%5C%5C192%3Dx%5E%7B2%7D%5C%5C%5C%5C%5Cboxed%7Bx%3D8%5Csqrt%7B3%7D%7D)
The answer is 99 your welcome
She has -80 because 4 withdrawalsof 50 is 200 subtract the that from 120 its -80
The answer to this equation is 19.6