Question

Evaluate the expression when y=30 and z=6 .y + z^2/y - 4z

Answer 1

`\begin{gathered} (\left(y+z^2\right))/((y-4z)) \\ \frac{(30+(6)^2)}{(30\text{ -}4(6))} \\ \frac{(30+36)}{30\text{ -}24} \\ (66)/(6) \\ =\text{ 11} \end{gathered}`

The answer is 11.