Question

Please help me! I will give branliest if it’s correct :)

Answer 1

Answer:

$\frac{z^{2} }{25}$

Step-by-step explanation:

In order to write the expression in the form of $\frac{z^{2} }{k}$ we simply have to open up the brackets. We do that the following way...

$(\frac{z}{5} )^{2} =( \frac{z}{5} )( \frac{z}{5}) = \frac{z^{2} }{25}$

Answer 2

Answer:

the answer is in the picture