Question

do any know the answer

Answer 1

Heya!!!!

Answer to your question:

$\frac{4}{25} {m}^{2} - mn + \frac{25}{16} {n}^{2}$

$= \frac{4}{25} {5}^{2} - 5(8) + \frac{25}{16} {8}^{2}$

$= \frac{4}{25} \times 25 - 40 + \frac{25}{16} \times 64$

$= 4 - 40 + 100$

$= 64$
Hope it helps ^_^

Answer 2

Answer:

Step-by-step explanation: